Financial

Investment Calculators

• Kelly Criterion Calculator - Calculate the optimal percentage of your capital to bet or invest using the Kelly Criterion formula. Features interactive visualization, fractional Kelly options, risk analysis, and step-by-step calculations for traders and bettors. New

Financial Calculators

Annuity Calculators

• Immediate Annuity Calculator - Calculate regular payouts for immediate annuities.

• Present Value Annuity Due Calculator - Calculate the present value annuity due.

• Present Value of Annuity Calculator - Calculate the present value of ordinary and annuity due with interactive payment timeline, detailed breakdown tables, and comprehensive financial analysis including PVIFA factors.

• Present Value of Growing Annuity Calculator - Calculate the present value of a growing annuity (PVGA) with step-by-step formulas, interactive cash flow timeline visualization, and detailed payment schedule analysis.

• PVIFA Calculator - Calculate the present value interest factor of annuity (PVIFA) with interactive visualization, period-by-period breakdown, and practical annuity valuation examples. Featured

Bond Calculators

• Bond Equivalent Yield Calculator - Calculate the bond equivalent yield.

• Bond Yield Calculator - Calculate the current bond yield.

• Bond Yield to Maturity Calculator - Calculate the bond yield to maturity.

• Zero Coupon Bond Calculator - Calculate the zero coupon bond value.

Credit Card Calculators

• Credit Card Interest Calculator - Calculate your credit card interest.

• Credit Card Payment Calculator - Calculate your credit card payment.

• Credit Card Payoff Calculator - Calculate your credit card payoff.

Cryptocurrency Calculators

• Crypto Arbitrage Calculator - Calculate potential profit from buying cryptocurrency on one exchange and selling on another, accounting for trading fees, withdrawal fees, and network costs. See real-time profitability analysis with detailed breakdown. New

• Crypto Leverage Calculator - Calculate your leveraged crypto futures position size, potential profit/loss, ROI, and liquidation price. Visualize risk with interactive charts for Bitcoin, Ethereum, and other cryptocurrencies. New

• Impermanent Loss Calculator - Calculate impermanent loss when providing liquidity to AMM pools. Compare LP returns vs HODL strategy with interactive visualizations and real-time analysis for Uniswap, PancakeSwap, and other DEXs. New

• Satoshi to USD Converter - Convert satoshis (the smallest unit of Bitcoin) to USD and other fiat currencies. Includes visual breakdown, step-by-step calculations, and Bitcoin unit conversions. New

Debt Calculators

• Debt Coverage Ratio Calculator - Calculate the debt coverage ratio.

• Debt to Income Ratio Calculator - Calculate the debt to income ratio.

• Fixed Charge Coverage Ratio Calculator - Calculate the fixed charge coverage ratio.

• Interest Coverage Ratio Calculator - Calculate the interest coverage ratio.

• Times Interest Earned Ratio Calculator - Calculate the times interest earned ratio.

Discount Calculators

• Discount Calculator - Calculate the final price after discount.

• Discount Factor Calculator - Calculate the discount factor (present value factor) for future cash flows with interactive charts, NPV analysis, and comprehensive time value of money insights.

• Percent Off Calculator - Calculate sale prices and savings instantly with our percent off calculator. Find out how much you save with any discount percentage. Perfect for shopping, sales analysis, and price comparisons. Featured

Efficiency Calculators

• Average Collection Period Calculator - Calculate the average collection period with interactive cash flow visualization, receivables turnover ratio, industry benchmarks, and efficiency analysis to optimize your accounts receivable management.

• Debtor Days Calculator - Calculate the debtor days.

• Fixed Asset Turnover Calculator - Calculate the fixed asset turnover ratio.

• Inventory Period Calculator - Calculate the inventory period.

• Inventory Turnover Calculator - Calculate the inventory turnover.

• Receivables Turnover Ratio Calculator - Calculate receivables turnover ratio, days sales outstanding (DSO), and collection period with step-by-step formulas, interactive visualization, industry benchmarks, and financial health assessment.

• Revenue Per Employee Calculator - Calculate the sales/revenue per employee.

• Total Asset Turnover Calculator - Calculate the total asset turnover.

Financial Ratio Calculators

• Acid Test Ratio Calculator - Calculate the acid test ratio.

• Cash Ratio Calculator - Calculate the cash ratio.

• Current Ratio Calculator - Calculate the current ratio.

• Equity Ratio Calculator - Calculate equity ratio to measure financial leverage and solvency. Includes debt ratio, debt-to-equity analysis, visual gauge, industry benchmarks, and step-by-step calculation breakdown.

• Goodwill to Assets Ratio Calculator - Calculate the goodwill to assets ratio.

• Loan to Deposit Ratio Calculator - Calculate the loan to deposit ratio.

• Quick Ratio Calculator - Calculate the quick ratio.

• Retention Ratio Calculator - Calculate the retention ratio.

Forex Calculators

• Pip Value Calculator - Calculate the value of a single pip in your account currency for any forex currency pair with live exchange rates. Essential for forex position sizing, risk management, and trade planning. New

Interest Calculators

• Compound Interest Calculator - Calculate compound interest with detailed year-by-year breakdown, interactive growth charts, and comprehensive investment analysis including effective annual rate and growth projections.

• Continuous Compounding Calculator - Calculate the continuous compounding interest.

• Doubling Time Calculator - Calculate how long it takes for an investment or value to double at a constant growth rate. Features Rule of 72 comparison, multiple growth milestones, and interactive visualizations.

• Rule of 72 Calculator - Use the Rule of 72 to instantly estimate how long it takes to double your investment at a given interest rate. Features interactive timeline visualization, comparison of approximation rules, and growth projections.

• Simple Interest Calculator - Calculate the simple interest.

Interest Rate Calculators

• APR Calculator - Calculate the annual percentage rate (APR) with total payment and interactive chart.

• APR to APY Calculator - Convert APR into APY.

• APY Calculator - Calculate Annual Percentage Yield (APY) from nominal interest rate and compounding frequency. Compare APY across different compounding periods, project investment growth, and visualize compound interest over time.

• APY to APR Calculator - Convert APY (Annual Percentage Yield) to APR (Annual Percentage Rate) with visual comparison, step-by-step calculation breakdown, and comprehensive analysis of how compounding frequency affects your actual interest rate. Featured

• Effective Interest Rate Calculator - Calculate the effective annual interest rate.

• Interest Rate Calculator - Calculate the interest rate of a loan.

• Nominal Interest Rate Calculator - Calculate the nominal annual interest rate.

Investment Calculators

• Black-Scholes Option Pricing Calculator - Calculate the theoretical fair value of European call and put options using the Black-Scholes model. Includes Delta, Gamma, Theta, Vega, Rho calculations with interactive payoff diagrams and sensitivity analysis. New

• Capital Employed Calculator - Calculate the capital employed.

• Compound Savings Calculator - Calculate the future value of your savings or investments with compound interest. See how your money can grow over time! New

• Cost of Equity Calculator - Calculate the cost of equity using the dividend approach.

• Fibonacci Extension Calculator - Calculate Fibonacci extension levels (61.8%, 100%, 127.2%, 161.8%, 200%, 261.8%, 423.6%) for profit targets using 3-point ABC wave analysis. Interactive wave visualization, step-by-step formulas, and one-click copy for trading. New

• Fibonacci Retracement Calculator - Calculate Fibonacci retracement and extension levels (23.6%, 38.2%, 50%, 61.8%, 78.6%, 127.2%, 161.8%) with interactive visual price ladder, step-by-step formulas, and one-click copy for trading.

• IRR Calculator - Calculate the internal rate of return (IRR) to evaluate the profitability of an investment. New

• NPV Calculator - Calculate the net present value (NPV) of an investment by discounting future cash flows. New

• Options Profit Calculator - Calculate and visualize the profit/loss potential of Long Call and Long Put option strategies at expiration with interactive payoff diagrams and comprehensive risk analysis. New

• Payback Period Calculator - Calculate how long it takes to recover initial costs from an investment. New

• Savings Calculator - This is a simple savings calculator.

• Sharpe Ratio Calculator - Calculate the sharpe ratio.

• Short Selling Profit Calculator - Calculate short selling profit or loss including stock borrow fees, margin interest costs, and commissions. Visualize your short position breakdown with interactive charts and detailed cost analysis. New

• Stop Loss & Take Profit Calculator - Calculate optimal stop loss and take profit price levels based on risk/reward ratio. Visualize trade setup, determine position size, and manage trading risk effectively. New

• WACC Calculator - Calculate the weighted average cost of capital (WACC).

Leverage Calculators

• Debt to Asset Ratio Calculator - Calculate the debt to asset ratio.

• Debt to Equity Ratio Calculator - Calculate the debt to equity ratio.

• Equity Multiplier Calculator - Calculate the equity multiplier ratio.

Loan Calculators

• Amortization Calculator - Calculate monthly mortgage payments, view amortization schedules, and see principal vs interest breakdown with interactive charts.

• Auto Loan Calculator - Calculate auto loan payments and interest.

• Car Loan Payoff Calculator - Calculate your car loan payoff.

• EMI Calculator - Calculate EMI (Equated Monthly Installment) for home loans, car loans, and personal loans with detailed amortization schedule, interest breakdown, and visual payment charts.

• Loan Payoff Calculator - Calculate your loan payoff.

• Monthly Payment Mortgage Calculator - Calculate your monthly mortgage payment.

• Mortgage Calculator - Calculate mortgage payments with fixed monthly payments.

• Mortgage Comparison Calculator - Compare up to four fixed rate loans.

• Mortgage Refinance Calculator - Compare your existing mortgage with a potential refinance option. Calculate monthly savings, total interest savings, and break-even period to make an informed refinancing decision.

• Student Loan Payoff Calculator - Accurately estimate payoff schedules and compare different repayment strategies.

Other Financial Calculators

• Actual Cash Value Calculator - Calculate the actual cash value (ACV) of your property for insurance claims. Includes depreciation analysis, multiple calculation methods, visual breakdown charts, and year-by-year value tracking. Featured

• Car Depreciation Calculator - Calculate the estimated depreciation of your car's value over time using purchase price, depreciation rate, and years of use. New

• Cash Flow Margin Calculator - Calculate the cash flow margin.

• Certificate of Deposit Calculator - Calculate the fixed deposit interest and maturity amount.

• Commission Calculator - Calculate sales commission instantly with flat, tiered, and bonus commission structures. Features interactive pie charts, step-by-step breakdowns, and support for real estate, insurance, and sales commissions.

• Fixed Deposit Calculator - Calculate fixed deposit maturity amount, interest earned, and compare different compounding frequencies with interactive growth charts and year-by-year breakdown. Featured

• US Inflation Calculator - Calculate what inflation does to the buying power of the US dollar using official CPI data from 1913 to present. See how much money from any year is worth in another year.

Profit Calculators

• EBIT Calculator - Calculate the earnings before interest and taxes.

• EBITDA Calculator - Calculate EBITDA using two methods (Net Income or Operating Income approach) with step-by-step formulas, EBITDA margin analysis, interactive breakdown charts, and industry benchmarks.

• Profit Calculator - Calculate the gross profit, original cost and more.

Profitability Calculators

• Earnings per Share Calculator - Calculate the earnings per share.

• EBIT Margin Calculator - Calculate the EBIT margin.

• EBITDA Margin Calculator - Calculate the EBITDA margin.

• Gross Profit Margin Calculator - Calculate gross profit margin, gross profit, and markup percentage with interactive visualizations and detailed financial analysis for business profitability assessment.

• Markup Calculator - Calculate markup percentage, selling price, or cost with visual breakdown charts, step-by-step calculations, and comprehensive profit analysis for smart pricing decisions. Featured

• Net Profit Margin Calculator - Calculate the net profit margin.

• Operating Margin Calculator - Calculate the operating profit margin.

• Operating Profit Percentage Calculator - Calculate the operating profit percentage.

• Profit to Sales Ratio Calculator - Calculate the profit to sales ratio.

• Return on Assets Ratio Calculator - Calculate the return on assets ratio.

• Return On Equity Calculator - Calculate the return on equity (ROE).

• Return On Net Assets Calculator - Calculate the return on net assets (RONA).

• Return On Sales Calculator - Calculate the return on sales ratio.

• ROCE Calculator - Calculate the return on capital employed ratio.

Real Estate Calculators

• Capitalization Rate Calculator - Calculate the capitalization rate.

• Gross Rent Multiplier Calculator - Calculate the gross rent multiplier.

• Home Affordability Calculator - Estimate the maximum home price you can afford by factoring in your income, debts, and mortgage details. New

• Housing Appreciation Calculator - Calculate your home's appreciation rate, track equity growth, and predict future property value with step-by-step calculations and interactive visualizations. New

Return Calculators

• CAGR Calculator - Calculate the compound annual growth rate, visualize investment growth, and understand year-over-year returns with detailed analysis.

• Capital Gains Yield Calculator - Calculate the quick ratio.

• Dividend Payout Ratio Calculator - Calculate dividend payout ratio with step-by-step formulas, retention ratio analysis, dividend sustainability assessment, and visual breakdown for investors and financial analysts.

• Dividend Yield Calculator - Calculate the dividend yield Ratio.

• Effective Yield Calculator - Calculate the effective yield.

• Holding Period Return Calculator - Calculate the holding period return of an investment.

• Investment Return Calculator - Calculate the rate of return on your investment.

• Real Rate of Return Calculator - Calculate the real rate of return.

• ROI Calculator - Calculate the Return on Investment.

Salary And Tax Calculators

• Bonus Calculator - Calculate your bonus amount, estimate tax withholding, see total compensation breakdown with visual charts, and understand your take-home pay. Featured

• Overtime Pay Calculator - Calculate your total weekly earnings including overtime pay with visual breakdown, step-by-step calculations, and annual projections.

• Salary Conversion Calculator - Convert wages between hourly, daily, weekly, bi-weekly, semi-monthly, monthly, quarterly, semi-annually and annually. Visualize your income breakdown with interactive charts. Featured

• Sales Tax Calculator - Calculate the amount of sales tax.

• VAT Calculator - Calculate the amount of VAT.

Stock Calculators

• Stock Average Calculator - Calculate your new average cost per share when buying additional shares at a lower price. Essential tool for managing bag holding positions with detailed breakdowns, interactive visualizations, and scenario analysis. New

TVM Calculators

• Future Value Calculator - Calculate the future value of investments.

• Future Value Factor (FVIF) Calculator - Calculate the Future Value Interest Factor (FVIF) to determine how much $1 invested today will grow. Features interactive growth charts, period-by-period breakdown, and doubling time analysis.

• Future Value of Annuity Calculator - Calculate the future value of an annuity.

• Future Value of Annuity Due Calculator - Calculate the future value annuity due.

• Future Value of Growing Annuity Calculator - Calculate the future value of growing annuity.

• Future Value of Lump Sum Calculator - Calculate the future value of lump sum.

• FVIFA Calculator - Calculate the Future Value Interest Factor of Annuity (FVIFA) with high precision, step-by-step formula breakdown, interactive visualization, payment schedule, and comprehensive FVIFA tables for financial planning.

• Present Value Calculator - Calculate the present value of future cash flows including lump sums, ordinary annuities, annuities due, growing annuities, and perpetuities. Features step-by-step formulas, interactive timeline visualization, and investment analysis.

• Present Value of Lump Sum Calculator - Calculate the present value of lump sum.

• PVIF Calculator - Calculate the Present Value Interest Factor (PVIF) with interactive visualizations, step-by-step calculations, and comprehensive time value of money analysis. Features customizable precision up to 1000 digits. Featured

Trading Calculators

• Compound Daily Interest Calculator - Calculate and visualize the exponential growth of a trading account with daily compound interest. See how reinvesting daily percentage gains can dramatically grow a small account over time. New

• Implied Volatility Calculator - Calculate implied volatility from option prices using the Black-Scholes model. Features Newton-Raphson iteration, IV surface visualization, Greeks analysis, and comprehensive market interpretation tools. New

• Margin Call Calculator - Calculate the exact liquidation price for your leveraged trading position. Visualize risk zones, understand margin requirements, and protect your investments from forced liquidation. New

• Martingale Strategy Calculator - Simulate Martingale and Anti-Martingale strategies for trading and betting. Understand capital requirements, risk of ruin, position sizing implications, and expected outcomes with Monte Carlo simulations. New

• Option Greeks Calculator - Calculate and visualize the Option Greeks (Delta, Gamma, Theta, Vega, Rho) to understand option price sensitivity to underlying price, time decay, volatility, and interest rates. Features interactive sensitivity charts and trading insights. New

• Pivot Point Calculator - Calculate daily pivot points, support (S1, S2, S3, S4), and resistance (R1, R2, R3, R4) levels using Standard, Fibonacci, Woodie, Camarilla, and DeMark methods for technical analysis. New

• Position Size Calculator - Calculate optimal position size for trading with advanced risk management. Features include long/short position support, risk-reward ratio analysis, interactive charts, and comprehensive position breakdown for stocks, forex, and crypto. New

• Risk of Ruin Calculator - Calculate the statistical probability of losing your entire trading capital based on win rate, payoff ratio, and risk per trade. Features interactive risk visualization, sensitivity analysis, and detailed probability breakdown. New

Valuation Calculators

• Book Value Per Share Calculator - Calculate book value per share (BVPS) with visual equity breakdown, step-by-step formulas, Price-to-Book ratio analysis, and investment valuation insights for fundamental stock analysis.

• CAPM Calculator - Perform calculations based upon the capital asset pricing model.

• Dividend Discount Model Calculator - Calculate the value of a stock based on the dividend discount model.

• P/E Ratio Calculator - Calculate the P/E ratio.

• Price to Book Ratio Calculator - Calculate the price to book ratio (P/B ratio) to assess stock valuation and compare market price to book value per share.

Guide

• The Ultimate Guide to Converting Ounces to Grams and Vice Versa with Miniwebtool - Discover how to easily convert ounces to grams and vice versa with Miniwebtool. A quick guide for accurate conversion.

• Master the Magic of Dividing Fractions with These Simple Steps - Uncover the simplicity behind dividing fractions with a step-by-step guide and how Miniwebtool can ease your math journey, making it straightforward and efficient.

• How to Find Range: A Step-by-Step Guide with Math Formula - Master how to find range with a step-by-step math formula guide. From basics to using miniwebtool, learn to solve range calculations easily.

Hash and Checksum

• Adler32 Checksum Calculator - Compute a Adler32 checksum of string.

• Argon2 Hash Generator - Generate and verify Argon2 password hashes with configurable parameters. Supports Argon2i, Argon2d, and Argon2id variants.

• BLAKE2b Hash Generator - Calculate the BLAKE2b hash of a string.

• CRC32 Checksum Calculator - Compute a CRC32 checksum of string.

• CRC64 Checksum Calculator - Calculate CRC64 checksum of text or files with multiple polynomial variants (ECMA-182, ISO, XZ). Get results in hexadecimal, decimal, and binary formats for data integrity verification.

• FNV-1a Hash Generator - Generate FNV-1a hash values with support for 32-bit to 1024-bit variants. Fast, non-cryptographic hash function ideal for hash tables, checksums, and data fingerprinting.

• MD5 Hash Generator - Generate MD5 hash from text or files instantly. Supports multiple output formats including hex and Base64. Verify hashes and check file integrity online.

• MurmurHash3 Generator - Generate MurmurHash3 hash values for any text. Get 32-bit and 128-bit hashes in decimal, hexadecimal, and binary formats with customizable seed values.

• RIPEMD-160 Hash Generator - Calculate the RIPEMD-160 hash of a string.

• SHA1 Hash Generator - Generate SHA1 hash online with real-time preview, file upload, and hash comparison. Calculate 160-bit cryptographic fingerprints instantly.

• SHA224 Hash Generator - Generate SHA224 hash from text instantly. Free online SHA-224 hash calculator with multiple input/output formats, hash comparison, and detailed hash analysis.

• SHA256 Hash Generator - Generate SHA256 cryptographic hashes from text or files with visual hash analysis, character distribution charts, and interactive security insights. Featured

• SHA384 Hash Generator - Calculate the SHA384 hash of a string.

• SHA3-256 Hash Generator - Generate SHA3-256 hashes instantly. The latest NIST-approved cryptographic hash function with 256-bit security. Perfect for data integrity, digital signatures, and secure checksums. Featured

• SHA3-384 Hash Generator - Calculate the SHA3-384 hash of a string.

• SHA3-512 Hash Generator - Calculate the SHA3-512 hash of a string.

• SHA512 Hash Generator - Generate SHA-512 hash from any text or string. Features visual hash representation, multiple output formats, and hash comparison. Featured

• Whirlpool Hash Generator - Generate the Whirlpool hash of a given string.

Health and Fitness

Fertility Calculators

• Conception Date Calculator - Calculate the date of conception and due date.

• Fertility Calculator - Calculate fertility and find your ovulation date.

• Menstrual Cycle Calculator - Predict your future menstrual cycles, track fertility windows, and estimate ovulation dates with our comprehensive cycle calculator featuring visual phase timelines.

• Menstrual Cycle Length Calculator - Calculate your menstrual cycle length, predict your next period, estimate fertile window and ovulation day based on your last two period start dates.

• Ovulation Calculator - Online ovulation calculator and fertility calculator.

• Ovulation Calendar - Track your ovulation cycle online.

• Ovulation Predictor - Predict your most fertile days.

Fitness Calculators

• Bench Press Calculator - Calculate your one-rep maximum (1RM) for bench press using Brzycki, Epley, or Lander formulas. Get personalized training zones, percentage charts, and strength level assessment.

• BMR Calculator - Calculate your BMR (basal metabolic rate).

• Body Fat Percentage Calculator - Calculate your body fat percentage and assess your overall fitness level.

• Calorie Burned Calculator - Estimate the number of calories you burn during various activities and exercises.

• Calorie Deficit Calculator 🔥 - Calculate the daily calorie deficit needed to reach your weight loss goals.

• Max Heart Rate Calculator - Estimate individual maximum heart rate.

• One Rep Max (1RM) Calculator - Calculate your one-rep maximum (1RM) using 7 scientific formulas. Get training zone percentages, warm-up sets, and visualize your strength potential for any exercise. Featured

• Running Pace Calculator🏃 - Calculate your running pace, time, or distance easily.

• Target Heart Rate Calculator - Calculate your target heart rate with the Karvonen method.

• TDEE Calculator - Calculate your TDEE, BMR, BMI with multiple formulas (Mifflin-St Jeor, Harris-Benedict, Katch-McArdle). Get personalized macro recommendations and visualize your calorie breakdown.

• VO2 Max Calculator - Calculate your VO2 Max using the Cooper 12-minute run test. Get personalized fitness assessment, training recommendations, and compare your cardiovascular fitness to age and gender norms.

Health Calculators

• Blood Donation Time Calculator - Calculate your next eligible blood donation date based on donation type. Track whole blood, plasma, platelet, and double red cell donations with personalized countdown and eligibility guidelines. Featured

• Blood Sugar Converter - Convert blood sugar from mmol/L to mg/dl and vice versa.

• How Much Water to Drink A Day? - Estimate how much water you should drink every day.

• How Much Weight Should I Lose? - Find out how much weight you should lose.

• Macro Calculator - Determine Your Daily Macronutrient Needs - Calculate your daily macro needs for protein, carbs, and fats based on your goals and activity level.

• Sleep Calculator 😴 - Calculate optimal sleep times and track sleep debt for better rest.

• Water Intake Calculator - Calculate your personalized daily water intake based on body weight, activity level, and climate. Get a visual glass tracker and hourly drinking schedule.

Health Indicator Calculators

• Am I Overweight? - Find out if you are overweight or not.

• Am I Underweight? - Find out if you are underweight or not.

• BMI Calculator - Calculate your BMI (Body Mass Index).

• How Much Should I Weigh? - Find out how much you should weigh.

• Waist to Hip Ratio Calculator - Calculate your waist-to-hip ratio (WHR) to assess body fat distribution, health risks, and body shape type. Get personalized health insights with visual body shape analysis.

• What Should I Weigh? - Calculate what should you weigh.

• WHtR Calculator - Calculate your waist to height ratio.

Medical Calculators

• ANC Calculator - Calculate the Absolute Neutrophil Count (ANC) from CBC lab values with visual gauge, NCI toxicity grading, step-by-step calculation breakdown, and clinical interpretation for neutropenia assessment.

• BSA Calculator - Calculate the BSA (body surface area).

• BUN to Creatinine Ratio Calculator - Calculate your BUN to creatinine ratio with instant clinical interpretation, visual kidney health indicators, and comprehensive analysis of what your results mean for kidney function.

• FENa Calculator - Calculate the fractional excretion of sodium.

• HbA1c Calculator - Calculate and convert between HbA1c percentage and average blood glucose levels in mg/dL or mmol/L. Essential tool for diabetes management and monitoring.

Pregnancy Calculators

• Due Date Calculator - Find out when your baby is due.

• How Many Weeks Pregnant Am I? - Calculate how many weeks pregnant you are.

• Pregnancy Calendar - Create your personalized pregnancy calendar with week-by-week development milestones, trimester breakdown, baby size comparisons, key appointment reminders, and due date countdown.

Math

Advanced Math Operations

• Antilog Calculator - Calculate the antilogarithm (antilog) of any number with any base. Features step-by-step calculation, interactive visualization, base comparison chart, and comprehensive explanations of logarithmic functions. Featured

• Beta Function Calculator - Calculate the beta function B(x, y) with step-by-step calculations, gamma function relationship, interactive visualization, and detailed mathematical explanations.

• Binomial Coefficient Calculator - Calculate binomial coefficients C(n, k) with step-by-step solutions, Pascal's triangle visualization, and real-world probability applications.

• Binomial Probability Distribution Calculator - Calculate binomial probabilities P(X=k), cumulative probabilities P(X≤k), P(X≥k), with interactive PMF/CDF charts, step-by-step solutions, and complete distribution tables.

• Bitwise Calculator - Perform bitwise operations (AND, OR, XOR, NOT) and bit shift operations on integers with interactive visual bit diagrams showing each bit position. Featured

• Central Limit Theorem Calculator - Compute probabilities using the Central Limit Theorem with detailed step-by-step solutions and visualizations!

• Combination Calculator - Calculate combinations C(n,k) with step-by-step solutions, Pascal's Triangle visualization, interactive diagrams, and detailed formula breakdowns for combinatorics problems.

• Complementary Error Function Calculator - Calculate the complementary error function erfc(x) with interactive visualization, step-by-step solution, and comprehensive erfc table for values from -3 to 3.

• Complex Number Calculator - Perform operations with complex numbers: add, subtract, multiply, divide, convert forms, calculate modulus, argument, conjugate, powers and roots with detailed step-by-step solutions and interactive complex plane visualization.

• Entropy Calculator - Calculate Shannon entropy of probability distributions with step-by-step formulas, interactive visualizations, entropy classification, and educational insights for information theory analysis. New

• Error Function Calculator - Calculate the error function erf(x), complementary error function erfc(x), and inverse error function with interactive Gaussian curve visualization, step-by-step explanations, and comprehensive analysis for statistics and probability.

• Exponential Decay Calculator - Calculate exponential decay with interactive visualizations, half-life computation, decay constant, and step-by-step solutions. Solve for initial amount, final amount, decay rate, or time. Featured

• Exponential Growth Calculator - Calculate exponential growth and decay with step-by-step solutions, interactive growth curve visualization, and high-precision results for population, investment, and scientific modeling.

• Exponential Integral Calculator - Calculate the exponential integral Ei(x) with high precision, interactive visualization, and detailed step-by-step mathematical derivation.

• Exponents Calculator - Calculate exponents (powers) with high precision. Supports fractional exponents, negative exponents, and provides detailed step-by-step solutions with visual explanations and exponent rule demonstrations.

• Factorial Calculator - Calculate the factorial of any non-negative integer (n!) with step-by-step expansion, scientific notation for large numbers, digit count analysis, and factorial growth visualization. Supports values up to 1 million.

• Gamma Function Calculator - Calculate the Gamma function with step-by-step solutions, interactive graphs, and factorial comparison tables. Supports both positive and negative real numbers.

• Golden Ratio Calculator - Calculate golden ratio proportions from any number. Generate phi-based sequences, find complementary segments, golden rectangle dimensions, and explore the divine proportion with step-by-step calculations and visualizations.

• Half Life Calculator - Calculate the half-life in exponential decay with an integrated Half Life Graph feature.

• Percent Growth Rate Calculator - Calculate percent growth rate with multiple methods: simple growth, compound annual growth rate (CAGR), and average growth rate. Features interactive visualizations, year-by-year analysis, and detailed step-by-step calculations. Featured

• Permutation Calculator - calculate the permutation.

• Poisson Distribution Calculator - Calculate Poisson probabilities P(X=k), cumulative probabilities, and visualize PMF/CDF distributions with detailed step-by-step solutions. New

• Polynomial Roots Calculator - Compute the roots of a polynomial equation with detailed step-by-step solutions!

• Probability Calculator - Calculate probabilities of events using addition rule, conditional probability, and Bayes' theorem with interactive Venn diagrams and step-by-step solutions.

• Probability Distribution Calculator - Compute probabilities, cumulative probabilities, and quantiles for various probability distributions with detailed step-by-step solutions!

• Proportion Calculator - Solve proportion problems and find missing values with detailed step-by-step solutions, interactive visual diagrams, and comprehensive explanations of proportion relationships. Featured

• Quadratic Formula Calculator - Solve quadratic equations using the quadratic formula with step-by-step solutions, discriminant analysis, vertex form conversion, and interactive parabola visualization.

• Scientific Notation Calculator - Convert numbers to scientific notation, perform arithmetic operations (+, -, ×, ÷), compare values, and visualize results with step-by-step explanations and interactive diagrams.

• Sum of Cubes Calculator - Calculate the sum of consecutive cubes from n₁³ to n₂³ with step-by-step formula breakdown, visual cube representation, and mathematical analysis. Perfect for algebra, calculus, and number theory studies.

• Sum of Positive Integers Calculator - Calculate the sum of consecutive positive integers using the elegant Gauss summation formula. Features step-by-step calculation breakdown, visual pairing diagrams, and educational insights into arithmetic sequences. Featured

• Sum of Squares Calculator - Calculate the sum of consecutive squares.

Algebra Calculators

• Absolute Value Equation Solver - Solve equations involving absolute values step by step. Shows both positive and negative cases with detailed explanations and verification. New

• Absolute Value Inequality Solver - Solve inequalities involving absolute values (e.g., |x+a| < b, |x-2| > 3). Understand 'and' vs 'or' conditions with detailed step-by-step solutions. New

• Algebraic Expression Simplifier - Simplify complex algebraic expressions by combining like terms, applying the distributive property, and reducing fractions. Features step-by-step solutions and detailed explanations. New

• Domain and Range Calculator - Determine the domain (possible inputs) and range (possible outputs) of algebraic functions with step-by-step analysis and interval notation. New

• Expand Polynomials Calculator - Multiply and expand polynomials (binomials, trinomials, and higher-degree expressions) using FOIL method and Binomial Theorem. Get step-by-step solutions with detailed explanations. New

• Function Composition Calculator - Calculate the composition of two functions (f ∘ g)(x) and (g ∘ f)(x) with detailed step-by-step instructions showing how to compose functions algebraically. New

• Function Grapher - Visualize algebraic functions on an interactive coordinate system. Plot multiple equations, identify key features like intercepts, asymptotes, and analyze function behavior. New

• Inequality Solver - Solve linear, quadratic, polynomial, and rational inequalities with step-by-step solutions. Display results graphically on a number line and in interval notation. New

• Inverse Function Calculator - Calculate the inverse function f^(-1)(x) of a given function f(x) with detailed step-by-step instructions showing how to find the inverse algebraically. New

• Linear Equation Solver - Solve single-variable linear equations (e.g., ax + b = c) with detailed step-by-step solutions. Shows all algebraic manipulations and verifies the answer. New

• Polynomial Factoring Calculator - Factor polynomials using various methods including GCF, difference of squares, perfect square trinomials, sum/difference of cubes, and quadratic trinomials. Features step-by-step solutions, automatic pattern recognition, and verification. New

• Polynomial Long Division Calculator - Divide one polynomial by another using long division. Shows the complete step-by-step process, quotient, and remainder with detailed explanations. New

• Radical Equation Solver - Solve equations containing radicals (square roots, cube roots, etc.) with step-by-step solutions. Automatically checks for extraneous solutions to ensure accuracy. New

• Radical Simplifier - Simplify square roots and higher-order radicals into their simplest radical form (e.g., sqrt(50) becomes 5*sqrt(2)), including rationalizing the denominator. Features step-by-step solutions with prime factorization and detailed explanations. New

• Rational Expression Calculator - Simplify, add, subtract, multiply, or divide rational expressions (fractions involving polynomials). Features step-by-step solutions and detailed explanations. New

• Synthetic Division Calculator - Divide polynomials by linear binomials (x - a) using the streamlined synthetic division method. Shows step-by-step process with coefficients and remainder. New

• System of Inequalities Grapher - Visualize the feasible region (solution set) for a system of two or more linear inequalities. Graph each inequality on a coordinate plane and identify the intersection region. New

• System of Linear Equations Solver - Solve systems of linear equations (2x2, 3x3, or larger) using Gaussian elimination, Cramer's Rule, or matrix methods. Features detailed step-by-step solutions and multiple solution approaches. New

• Vertex and Axis of Symmetry Calculator - Calculate the vertex (maximum or minimum point) and the axis of symmetry for any quadratic function (parabola) with detailed step-by-step solutions. New

• X and Y Intercept Calculator - Calculate the x-intercept (where the graph crosses the x-axis) and y-intercept (where the graph crosses the y-axis) of any equation with detailed step-by-step solutions. New

Area Calculators

• Area of a Circle Calculator - Calculate the area of a circle from radius, diameter, or circumference. Get instant results with step-by-step calculations, interactive diagrams, and comprehensive circle metrics.

• Area of a Parallelogram Calculator - Calculate the area of a parallelogram using three methods: base and height, two sides with included angle, or diagonals with intersection angle. Get step-by-step calculations with formulas.

• Area of A Sector Calculator - Calculate the area of a sector.

• Area of a Trapezoid Calculator - Discover and visualize the area of a trapezoid with our enhanced calculator. Dive into the formula, understand the geometry, and view a graphical representation for clearer insights.

• Area of An Ellipse Calculator - Calculate the area of an ellipse.

• Area of Equilateral Triangle Calculator - Calculate the area of an equilateral triangle.

• Surface Area Calculator - Calculate the surface area of 8 geometric shapes including sphere, cylinder, cone, cuboid, rectangular prism, triangular prism, square pyramid, and tetrahedron with detailed step-by-step solutions and interactive diagrams.

• Surface Area of a Cone Calculator - Get accurate results with our step-by-step guide and understand the underlying formula.

• Surface Area of a Cube Calculator (High Precision) - Calculate the surface area of a cube.

• Surface Area of a Cylinder Calculator - Calculate the total, lateral, and base surface area of a cylinder with high precision, interactive 3D visualization, step-by-step formula breakdown, and area distribution analysis.

• Surface Area of a Rectangular Prism Calculator (High Precision) - Calculate the surface area of a rectangular prism.

• Surface Area of Sphere Calculator (High Precision) - Calculate the surface area of a sphere.

Basic Math Operations

• Common Factor Calculator - Find common factors of two or more numbers with interactive Venn diagram, step-by-step explanations, GCF calculation, and multiple solving methods including prime factorization.

• Cube and Cube Root Calculator - Calculate the cube (n³) and cube root (∛n) of any number with step-by-step solutions, perfect cube detection, and interactive visualizations.

• Cube Root Calculator - Calculate the cube root of any number with precision up to 1000 decimal places. Features interactive 3D cube visualization, root comparison chart, perfect cube finder, step-by-step solution, and practical volume-to-side converter.

• Divide Into Two Parts - Divide a number into two parts.

• Divisibility Test Calculator - Determine if a number is divisible by another number.

• Factor Calculator - Calculate all factors of a number with factor pairs visualization, interactive factor tree diagram, prime factorization, and comprehensive number analysis including perfect square detection.

• Find Minimum and Maximum - Find the minimum and maximum values in any number set with visual data distribution, sorted rankings, statistical analysis, and position indicators for comprehensive data exploration.

• First n Digits of e - Generate and analyze the first n digits (up to 1000) of e (Euler's number) with comprehensive digit frequency analysis, pattern exploration, and interactive visualizations. Featured

• First n Digits of Pi - Generate and analyze the first n digits (up to 10,000) of Pi (π) with comprehensive digit frequency analysis, pattern exploration, interactive visualizations, and unique Pi-themed insights. Featured

• Greatest Common Factor Calculator - Calculate the greatest common factor (GCF) of two or more numbers with step-by-step solutions using multiple methods.

• Is it a Prime Number? - Check if a number is prime with detailed analysis, factorization, and visual number line representation.

• Least Common Multiple Calculator - Calculate the least common multiple (LCM) of two or more numbers with interactive prime factorization visualization, step-by-step solutions, and multiple calculation methods explained.

• Modulo Calculator - Calculate modulo (remainder) with step-by-step division process, interactive visual diagrams, and support for integers, decimals, negative numbers, and scientific notation. Featured

• Multiplication Calculator - Free online multiplication calculator that multiplies any numbers instantly with detailed step-by-step solutions, visual factor breakdown, and comprehensive result analysis including sign rules and magnitude insights.

• n-th Root Calculator (High-Precision) - Compute the n-th root of a number with high precision (up to 1000 decimals).

• Number of Digits Calculator - Calculate the number of digits in any integer, analyze digit distribution, and visualize the breakdown of each position value (ones, tens, hundreds, etc.). Featured

• Prime Factor Calculator - Calculate the prime factors of a number.

• Prime Factorization Calculator - Calculate the prime factorization of any positive integer instantly. Get step-by-step breakdown, factor tree visualization, and complete analysis of prime factors.

• Quotient and Remainder Calculator - Calculate quotient and remainder with interactive visual representations, step-by-step explanations, and comprehensive division insights. Featured

• Sort Numbers - Sort numbers in ascending or descending order with comprehensive statistics, visual distribution charts, and detailed analysis. Handles decimals, negatives, and thousands separators. Featured

• Square Root (√) Calculator - Calculate the square root of any number with high precision up to 1000 decimals. Features step-by-step explanations, geometric visualizations, and Newton's method demonstration. Featured

• Sum Calculator - High-Precision Number Adder Online Featured

Calculus

• Convolution Calculator - Calculate linear, circular, and continuous convolution of signals and functions with interactive visualizations, detailed step-by-step solutions, and comprehensive mathematical analysis. Featured

• Derivative Calculator - Calculate derivatives instantly with step-by-step solutions. Supports single-variable, partial, implicit, and directional derivatives with interactive visualizations.

• Directional Derivative Calculator - Calculate directional derivatives of multivariable functions with detailed step-by-step solutions!

• Double Integral Calculator - Compute double integrals with detailed step-by-step solutions and 3D surface visualization. Supports definite and indefinite integrals with polynomial, trigonometric, exponential, and hyperbolic functions.

• Implicit Derivative Calculator - Compute derivatives of implicit functions F(x,y)=0 with detailed step-by-step solutions. Supports polynomials, trigonometric, exponential, and logarithmic functions up to 5th order derivatives.

• Integral Calculator - Calculate definite and indefinite integrals with detailed step-by-step solutions, interactive function visualization, and comprehensive explanations for calculus students and professionals.

• Inverse Laplace Transform Calculator - Compute the inverse Laplace transform of F(s) to find f(t). Get step-by-step solutions, visualizations, and understand the transformation from frequency domain to time domain.

• Laplace Transform Calculator - Compute Laplace transforms instantly with detailed step-by-step solutions, interactive function presets, and dual visualization of time-domain and frequency-domain functions.

• Limit Calculator - Calculate limits of mathematical functions with detailed step-by-step solutions. Supports one-sided limits, indeterminate forms, and L'Hospital's Rule.

• Partial Derivative Calculator - Compute partial derivatives of multivariable functions with detailed step-by-step solutions, interactive examples, and geometric visualization of tangent planes.

• Single Variable Derivative Calculator - Compute derivatives of single-variable functions and get detailed step-by-step solutions!

• Taylor Series Calculator - Calculate the Taylor series expansion of any function around a point with step-by-step derivative calculations, interactive comparison graph, and educational explanations.

• Triple Integral Calculator - Compute triple integrals with detailed step-by-step solutions and 3D visualization. Supports definite and indefinite integrals with symbolic computation.

Fraction Calculators

• Comparing Fractions Calculator - Compare two fractions with step-by-step explanations, visual pie charts, and interactive diagrams to see which fraction is larger or smaller.

• Decimal to Fraction Calculator - Convert any decimal number to a fraction with step-by-step visual explanation, multiple output formats, and interactive fraction visualization.

• Equivalent Fractions Calculator - Generate equivalent fractions with visual fraction bars, number line diagrams, and pattern highlighting. Check if two fractions are equivalent or find up to 100 equivalent fractions instantly.

• Fraction Calculator - Perform fraction arithmetic with our interactive calculator. Get step-by-step solutions, visual diagrams, and results in multiple formats including mixed numbers and decimals.

• Fraction Simplifier - Simplify any fraction to lowest terms with interactive bar diagrams, step-by-step prime factorization, and animated GCF visualization. Perfect for students learning fraction reduction.

• Fraction to Decimal Calculator - Convert any fraction to its decimal equivalent with interactive long division visualization, repeating decimal detection, and step-by-step explanations. Perfect for students and educators.

• Fraction to Mixed Number Converter - Convert any improper fraction to a mixed number instantly with animated visual diagrams, step-by-step division breakdown, and educational explanations. Perfect for students, teachers, and anyone learning fractions.

• Fraction to Percent Converter - Convert fractions to percentages instantly with visual pie charts, animated progress bars, step-by-step solutions, and support for mixed numbers. Perfect for students, teachers, and professionals.

• Mixed Number to Fraction Converter - Convert any mixed number to an improper fraction instantly with animated visual diagrams, step-by-step breakdown, and educational explanations. Perfect for students learning fractions.

• Reduce Fractions Calculator - Simplify any fraction to its lowest terms with interactive visual diagrams, step-by-step prime factorization, and animated GCF calculation. Perfect for students and educators.

Geometry Calculators

• Arc Length Calculator - Calculate arc length, radius, or central angle of a circle sector with interactive diagram, step-by-step solution, and support for degrees and radians.

• High-Precision Cartesian to Polar Coordinates Converter - Convert coordinates from the Cartesian system (x, y) to the polar system (r, θ) with adjustable precision from 1 to 1000 decimal places! Features step-by-step solutions and true arbitrary-precision arithmetic using mpmath. New

• Circle Calculator - Calculate the area, circumference, diameter or radius of a circle.

• Distance Between Two Points Calculator - Calculate the Euclidean distance between two points in a 2D coordinate plane with step-by-step formulas, interactive visualization, midpoint, slope, and line equation calculations.

• Ellipse Circumference Calculator - Calculate the circumference (perimeter) of an ellipse using multiple approximation formulas including Ramanujan, exact series, and visualize results with an interactive SVG diagram.

• General Triangle Solver - The ultimate tool to solve any triangle. Input three known values (e.g., SSS, SAS, ASA, AAS) and automatically calculate all missing sides, angles, area, and perimeter using the law of sines, law of cosines, and Heron's formula. New

• Golden Rectangle Calculator - Calculate golden rectangle dimensions from any side length. Visualize the golden ratio (φ ≈ 1.618) with interactive diagrams showing interior and outer rectangles, plus step-by-step formulas.

• Golden Section Calculator - Calculate the missing values to complete the golden section. Enter any value (a+b, a, or b) to find the golden ratio proportions with step-by-step explanation and visual diagram.

• Hypotenuse Calculator - Calculate the hypotenuse of a right triangle using the Pythagorean theorem. Get instant results with visual diagrams, step-by-step solutions, angles, area, and perimeter. Featured

• Midpoint Calculator - Calculate the midpoint between two points instantly with interactive visualization, step-by-step solution, distance calculation, and comprehensive geometry analysis.

• Polar to Cartesian Converter - Convert polar coordinates (r, θ) to Cartesian coordinates (x, y) with up to 1000 decimal places precision. Features interactive visualization, step-by-step solutions, quadrant detection, and verification. New

• Pythagorean Theorem Calculator - Calculate the missing side of any right triangle using a² + b² = c². Get step-by-step solutions, interactive triangle visualization, area, perimeter, and angle calculations.

• Rectangle Calculator - Calculate the area, perimeter and diagonal of a rectangle.

• Slope Calculator - Calculate slope, gradient, angle, and line equation from two coordinate points. Features interactive graph visualization, step-by-step solutions, and multiple output formats.

• Slope Intercept Form Calculator - Calculate slope intercept form (y=mx+b) from two points, point and slope, or standard form. Get step-by-step solution with interactive graph visualization.

• Square Calculator - Calculate the area, perimeter and diagonal of a square.

Linear Algebra

• Determinant Calculator - Calculate the determinant of any square matrix with detailed step-by-step cofactor expansion, matrix properties analysis, and visual solutions.

• Eigenvalue and Eigenvector Calculator - Calculate eigenvalues and eigenvectors of 2x2 and 3x3 matrices with detailed step-by-step solutions, characteristic polynomial derivation, interactive visualization, and matrix property analysis.

• Matrix Calculator - Calculate matrix operations with step-by-step solutions: addition, subtraction, multiplication, inverse, transpose, and determinant. Visual matrix display with detailed explanations.

• Partial Fraction Decomposition Calculator - Decompose rational functions into partial fractions with step-by-step explanations.

• Vector Calculator - Perform vector operations with detailed step-by-step solutions!

Logarithm Calculators

• Log Base 10 Calculator - Calculate the common logarithm (log base 10) of any positive number with detailed step-by-step solutions, interactive graphs, and real-world applications including pH scale, decibels, and Richter scale. Featured

• Log Base 2 Calculator - Calculate the binary logarithm (log base 2) of any positive number with detailed step-by-step explanations, visual representations, and comprehensive insights into logarithmic properties. Featured

• Log (Logarithm) Calculator - Calculate logarithm for any base with step-by-step solutions, interactive visualization, and conversion between common log types (natural log, log base 10, log base 2).

• Natural Log Calculator - Calculate the natural logarithm ln(x) of any positive number with step-by-step derivation, interactive visualization, logarithm properties, related calculations, and mathematical insights.

Number System Converters

• Base Converter - Convert integers from one base to another.

• Base-N Calculator - Convert integers between any number bases from 2 to 36 with step-by-step calculation breakdown and digit position analysis.

• Binary Calculator - Perform binary arithmetic (add, subtract, multiply, divide) and bitwise operations (AND, OR, XOR, NOT, shifts). Interactive step-by-step solutions with multi-base results in binary, decimal, and hexadecimal.

• Binary Converter - Convert binary numbers to decimal, hexadecimal, octal, and any base (2-36). Get instant results with visual bit diagrams, step-by-step explanations, and grouped formatting for easy reading.

• Binary to Decimal Converter - Convert binary (base-2) numbers to decimal (base-10) with an interactive bit-by-bit breakdown showing how each digit contributes to the final value through powers of 2.

• Binary to Hex Converter - Convert binary (base-2) numbers to hexadecimal (base-16) with visual bit grouping, step-by-step conversion process, interactive diagrams, and comprehensive number system education.

• Binary to Octal Converter - Convert binary number to octal.

• Decimal to Binary Converter - Convert decimal (base-10) numbers to binary (base-2) instantly. Get step-by-step division method breakdown, visual bit diagrams, grouped binary output, and multi-base conversions including octal and hexadecimal.

• Decimal to Hex Converter - Convert decimal (base-10) numbers to hexadecimal (base-16) with interactive visualization, step-by-step conversion process, and detailed explanations for programming and digital electronics. Featured

• Decimal to Octal Converter - Convert decimal (Base-10) numbers to octal (Base-8) instantly with visual step-by-step division method, binary-octal grouping, bit pattern visualization, and comprehensive number system education.

• Decimal to Percent Converter - Convert decimal to percent.

• Decimal to Scientific Notation Converter - Convert any decimal number to scientific notation with step-by-step visualization, multiple output formats including E-notation and engineering notation, and interactive examples for learning.

• Degree to Radian Converter - Convert degrees to radians.

• HEX Calculator - Perform hexadecimal addition, subtraction, multiplication, division, and bitwise operations (AND, OR, XOR, NOT, shifts). Get step-by-step solutions with multi-base results in hex, decimal, and binary.

• HEX Converter - Convert hexadecimal numbers to decimal, binary, octal, and any base from 2 to 36. Get instant multi-format results with visual digit breakdown and step-by-step conversion process.

• Hex to Binary Converter - Convert hex number to binary.

• Hex to Decimal Converter - Convert hexadecimal (base-16) numbers to decimal (base-10) instantly. See step-by-step conversion process, positional notation breakdown, and results in multiple bases. Featured

• Hex to Octal Converter - Convert hexadecimal (base-16) numbers to octal (base-8) instantly. Get step-by-step conversion breakdown, visual diagrams, and multi-base results including decimal and binary.

• Octal Calculator - Perform addition, subtraction, multiplication, and division on octal (base-8) numbers with step-by-step visual explanations and instant decimal conversions. Featured

• Octal Converter - Convert octal (base-8) numbers to binary, decimal, hexadecimal, and any base from 2 to 36 instantly. Free online octal number system converter with step-by-step conversion explanations.

• Octal to Binary Converter - Convert octal (base-8) numbers to binary (base-2) instantly with visual step-by-step conversion showing each digit mapping, interactive reference table, and educational breakdown.

• Octal to Decimal Converter - Convert octal (base-8) numbers to decimal (base-10) with visual digit-by-digit breakdown, step-by-step calculations, and educational explanations.

• Octal to Hex Converter - Free online tool to convert octal numbers to hexadecimal with step-by-step calculation, binary representation, and digit breakdown visualization.

• Percent to Decimal Converter - Convert percent to decimal.

• Radian to Degree Converter - Convert radians to degrees instantly with interactive unit circle diagram, step-by-step calculation, common angle reference, DMS output, and batch conversion. Free online angle converter for math, physics, and engineering.

• Ratio to Percentage Calculator - Convert any ratio to percentage with step-by-step solution, visual pie chart representation, and support for multiple ratio formats including fractions and decimals. Featured

• Roman Numerals Converter - Convert Roman numerals to Arabic numbers and vice versa with detailed visual explanations. Understand the meaning of Roman numeral dates and sequences like "X XXIII XVII" with our interactive step-by-step converter. Featured

• Scientific Notation to Decimal Converter - Convert numbers from scientific notation (exponential form) to ordinary decimal notation with step-by-step explanation and visual decimal point movement. Featured

Percentage

• Percentage Calculator - Free online percentage calculator with 6 calculation modes: find percentages, calculate percentage of a number, percentage change, difference, increase, and decrease. Features visual charts, step-by-step solutions, and instant results.

• Percentage Change Calculator - Calculate percentage change between two values with step-by-step breakdown, visual comparison charts, and detailed analysis. Find percentage increase, decrease, or difference instantly.

• Percentage Decrease Calculator - Calculate the percentage decrease between two values with step-by-step solutions, interactive SVG diagrams, and multiple calculation modes including reverse calculations.

• Percentage Error Calculator - Calculate percentage error between estimated and actual values with step-by-step formula breakdown, visual comparison chart, error interpretation, and detailed analysis.

• Percentage Increase Calculator - Calculate percentage increase from one number to another with step-by-step solution, visual comparison charts, and instant verification. Perfect for business analytics, academic calculations, and financial analysis. Featured

Sequence Tools

• Arithmetic Sequence Calculator (High Precision) - Calculate the nth term and the sum of the first n terms of arithmetic sequence. Dive into charts, formulas, and more about arithmetic progressions.

• Cube Numbers List - Generate and explore cube numbers with interactive visualizations, 3D cube diagrams, step-by-step calculations, and multiple export formats. Perfect for students, teachers, and math enthusiasts. Featured

• First n Prime Numbers - Generate and explore the first n prime numbers with interactive visualization, twin prime detection, gap analysis, and distribution charts. A powerful prime number generator for math education, cryptography research, and number theory exploration.

• Geometric Sequence Calculator - Calculate the nth term, sum of first n terms, and infinite sum of any geometric sequence with step-by-step solutions and interactive visualization.

• List of Fibonacci Numbers - Generate Fibonacci numbers with golden ratio visualization, spiral diagram, and sequence analysis. Create lists of the first N Fibonacci numbers instantly. Featured

• List of Prime Numbers - Generate a comprehensive list of prime numbers from 2 to any specified number up to 10,000. Discover the building blocks of mathematics with instant results and detailed statistics. Featured

• Square Numbers List - Generate list of square numbers (perfect squares), find squares in a range, or check if a number is a perfect square. Interactive visualization with step-by-step calculations. Featured

Statistics And Data Analysis

• ANOVA Calculator - Perform one-way ANOVA test to determine if there are significant differences among group means. Includes complete ANOVA table, effect size (eta-squared, omega-squared), interactive visualizations, and step-by-step hypothesis testing.

• Arithmetic Mean Calculator - Calculate the arithmetic mean (average) of a set of numbers with comprehensive statistical analysis including median, mode, range, standard deviation, variance, and interactive data visualization. Featured

• Average Calculator - Calculate mean, median, mode, geometric mean, harmonic mean, and weighted average with complete statistical analysis, visualizations, and step-by-step solutions. Featured

• Average Deviation Calculator - Calculate the average absolute deviation (AAD) of a dataset from the mean or median. Includes step-by-step calculations, visual distribution chart, and comprehensive statistical analysis. Featured

• Box and Whisker Plot Maker - Generate professional box and whisker plots with interactive visualization, comprehensive statistics, quartile analysis, outlier detection, and step-by-step calculations.

• Chi-Square Test Calculator - Perform a chi-square test of independence to determine if there is a significant association between two categorical variables. Get chi-square statistic, p-value, expected frequencies, cell contributions, and Cramer's V effect size with step-by-step calculations.

• Coefficient of Variation Calculator (High Precision) - Easily calculate the CV, a key statistical measure of data dispersion, with a detailed breakdown of its formula components.

• Cohen's d Calculator - Calculate Cohen's d effect size to measure the standardized difference between two group means. Features step-by-step calculations, interactive visualization, effect size interpretation, and support for both raw data and summary statistics.

• Compound Growth Calculator - Calculate compound annual growth rate (CAGR), future value, initial value, or time periods with interactive growth charts, detailed breakdowns, and comprehensive analysis for investments and business growth. Featured

• Confidence Interval Calculator - Calculate confidence intervals for means and proportions with interactive visualization, t-distribution and z-distribution support, step-by-step calculations, and sample size recommendations.

• Confidence Interval for Proportion Calculator - Compute confidence intervals for a population proportion with detailed step-by-step solutions! New

• Correlation Coefficient Calculator - Calculate Pearson, Spearman, and Kendall correlation coefficients with interactive scatter plot, regression analysis, p-values, and step-by-step calculation breakdown.

• Geometric Mean Calculator - Calculate the geometric mean of any dataset with step-by-step formulas, interactive visualization, comparison with arithmetic mean, and comprehensive statistical analysis.

• Harmonic Mean Calculator - Calculate the harmonic mean of a set of numbers.

• Histogram Maker - Create beautiful histograms online with comprehensive statistical analysis including mean, median, mode, skewness, kurtosis, and distribution shape detection. Supports auto-optimal bin calculation and PNG export.

• Interquartile Range Calculator - Calculate the interquartile range of a set of numbers.

• Kruskal-Wallis Test Calculator - Perform a Kruskal-Wallis H test to determine if there is a significant difference among independent samples.

• Linear Regression Calculator - Calculate linear regression equation, slope, intercept, R-squared, and make predictions with interactive scatter plot visualization and step-by-step formula breakdown.

• Logarithmic Growth Calculator - Calculate logarithmic growth over time using natural log (e), base 10, or base 2. Visualize growth curves, view year-by-year breakdowns, and understand step-by-step calculations.

• Mann-Whitney U Test Calculator - Perform the Mann-Whitney U test (Wilcoxon rank-sum test) to compare two independent samples. Get U statistic, p-value, effect size, step-by-step calculations, and interactive visualizations.

• Mean Absolute Deviation (MAD) Calculator - Calculate Mean Absolute Deviation with step-by-step formulas, interactive visualization, and comprehensive statistical analysis. Understand data variability with our free MAD calculator.

• Mean Calculator - Calculate the arithmetic mean (average) of any dataset with interactive visualization, step-by-step formula breakdown, and comprehensive statistics including sum, median, range, and standard deviation.

• Mean Median Mode Calculator - Calculate mean, median, mode and range with step-by-step formulas, interactive visualization, frequency analysis, and comprehensive statistical breakdown for any dataset.

• Median Absolute Deviation Calculator - Calculate the median absolute deviation (MAD) of a dataset with step-by-step formulas, interactive visualization, outlier detection, and robustness comparison to standard deviation.

• Median Calculator - Calculate the median value of a set of numbers with step-by-step explanations, interactive visualizations, and comprehensive statistical insights. Featured

• Midrange Calculator - Calculate the midrange of any dataset with step-by-step visualization showing the midpoint between maximum and minimum values, plus comprehensive statistics including mean, median, and range comparison.

• Mode Calculator - Calculate the mode (most frequent values) of a dataset with interactive frequency visualization, step-by-step analysis, and comprehensive statistics.

• Outlier Calculator - Identify statistical outliers in your dataset using the IQR (Interquartile Range) method. Calculate Q1, Q3, and detect values that fall outside the normal range with step-by-step calculations. Featured

• Population Standard Deviation Calculator - Calculate population standard deviation (σ) with step-by-step calculations, interactive visualization, variance, mean, and data quality assessment for complete population datasets.

• Quartile Calculator - Calculate quartiles (Q1, Q2, Q3), interquartile range (IQR), detect outliers, and visualize data distribution with interactive box plots and step-by-step calculations.

• Quartile Deviation Calculator - Calculate the quartile deviation (semi-interquartile range) of a dataset with interactive box plot visualization, complete quartile analysis (Q1, Q2, Q3, IQR), outlier detection, and step-by-step calculation breakdown.

• Range Calculator - Calculate and visually graph the range of any data set effortlessly

• Relative Standard Deviation Calculator - Calculate relative standard deviation (RSD) and coefficient of variation (%CV) with step-by-step formulas, interactive data visualization, statistical analysis, and data quality assessment. Featured

• Root Mean Square Calculator - Calculate root mean square (RMS) of a set of numbers with step-by-step calculations, interactive visualization, AC/DC signal analysis, and statistical insights. Featured

• Sample Mean Calculator - Calculate the sample mean (arithmetic average) of any dataset with step-by-step visualization, deviation analysis, data distribution chart, and comprehensive statistical insights.

• Sample Size Calculator - Calculate needed sample size.

• Sample Standard Deviation Calculator - Calculate sample standard deviation with step-by-step formulas, interactive data visualization, outlier detection, empirical rule analysis, and comprehensive statistics including variance, mean, median, and range.

• Scatter Plot Maker - Create beautiful interactive scatter plots to visualize relationships between two variables. Features correlation analysis, trend lines, multiple styling options, and downloadable PNG charts.

• Standard Deviation Calculator - Calculate standard deviation, variance, mean, and other statistics with step-by-step solutions and visualizations.

• Standard Error Calculator - Calculate standard error of the mean (SEM) with step-by-step calculations, confidence intervals, data visualizations, and comprehensive statistical analysis for your dataset. Featured

• Statistics Calculator - An all-in-one statistics calculator for count, sum, mean, median, mode, range, variance, standard deviation, geometric mean, harmonic mean, quartiles, outlier detection, and more.

• t-Test Calculator - Perform Welch's t-test to determine if there is a statistically significant difference between the means of two independent groups.

• Variance Calculator (High Precision) - Compute both sample and population variance. Step-by-step instructions and formulas included.

• Z-Score Calculator - Compute z-scores quickly and easily with a clear, step-by-step method! New

Trigonometry Calculators

• Arccos (Inverse Cosine) Calculator - Calculate arccos (inverse cosine) instantly with interactive unit circle visualization, step-by-step solutions, degree and radian outputs, and up to 1000 decimal places precision. New

• Arcsin Calculator - Calculate the inverse sine (arcsin) of any value between -1 and 1. Get results in degrees or radians with adjustable precision up to 1000 decimal places, interactive unit circle diagram, step-by-step solution, and general solution formulas. New

• Arctan2 Calculator - Calculate the angle between the positive x-axis and a point (x, y) using atan2. Features interactive SVG visualization, step-by-step solution, and high-precision output (1-1000 decimal places). Essential for programming, robotics, navigation, and game development. New

• Arctan Calculator - Calculate arctan (inverse tangent) with high precision. Get the angle whose tangent equals your input value, displayed in both degrees and radians with interactive unit circle visualization and step-by-step solution. New

• Cosine Calculator - Calculate the cosine of any angle with high precision, interactive unit circle visualization, cosine wave graph, step-by-step solutions, and special angle recognition. Supports degrees and radians. New

• Cosecant/Secant/Cotangent Calculator - Calculate the reciprocal trigonometric functions with adjustable precision from 1 to 1000 decimal places: Cosecant (1/sin), Secant (1/cos), and Cotangent (1/tan). Interactive unit circle visualization, domain validation, step-by-step explanation, and copy-to-clipboard functionality. New

• Decimal Degrees to DMS Converter - Convert angles from decimal degrees (e.g., 30.263889°) to Degrees, Minutes, Seconds (DMS) format (e.g., 30° 15' 50"). Supports GPS coordinates, navigation, and surveying applications with step-by-step conversion and visual breakdown. New

• DMS to Decimal Degrees Converter - Convert angles from DMS (Degrees, Minutes, Seconds) format to decimal degrees with interactive visualization, batch conversion, and smart format parsing. Perfect for GPS, GIS, navigation, and surveying. New

• Hyperbolic Functions Calculator - Calculate hyperbolic functions (sinh, cosh, tanh) and their inverses (asinh, acosh, atanh) with adjustable precision from 1 to 1000 decimal places. Features step-by-step solutions, interactive graphs, and identity verification. New

• Interactive Unit Circle Visualizer - A dynamic visualization of the Unit Circle. Understand the relationship between angles (degrees/radians) and the corresponding sin, cos, and tan values at key points. Features interactive controls and displays all six trigonometric function values. New

• Law of Cosines Calculator - Solve triangles using the Law of Cosines. Supports SAS (Side-Angle-Side) and SSS (Side-Side-Side) cases. Get step-by-step solutions, interactive triangle visualization, area, perimeter, and triangle classification! New

• Law of Sines Calculator - Use the Law of Sines to find unknown sides or angles in a triangle. Supports ASA (Angle-Side-Angle), AAS (Angle-Angle-Side), and SSA (Side-Side-Angle) cases with ambiguous case detection. Get step-by-step solutions with detailed explanations! New

• Right Triangle Calculator - Solve right triangles by entering any two known values (sides or angles). Calculate all missing sides, angles, area, and perimeter with detailed step-by-step explanations and visual diagrams. New

• Sine Calculator - Calculate the sine of any angle with high precision, interactive unit circle visualization, sine wave graph, step-by-step solutions, and special angle recognition. Supports degrees and radians. New

• High-Precision Tangent Calculator - Calculate the tangent of any angle with adjustable precision from 1 to 1000 decimal places. Supports degrees and radians, shows step-by-step solutions, and clearly flags vertical asymptotes (e.g., 90° + k·180°). New

• Trigonometric Function Grapher - Interactive trigonometric function grapher for visualizing sine, cosine, tangent, cotangent, secant, and cosecant. Customize amplitude, frequency, phase shift, and vertical shift (y = A·f(B(x-C)) + D) with real-time parameter adjustment. Perfect for students, teachers, and engineers. New

• Trigonometric Identities Calculator - Calculate all trigonometric function values using Pythagorean, Double Angle, and Half Angle identities. Enter any known trig value and quadrant to find sin, cos, tan, csc, sec, cot with step-by-step solutions. New

Volume Calculators

• Volume Calculator - Calculate the volume of 11 different 3D shapes including sphere, cylinder, cone, cube, cuboid, triangular prism, pyramid, tetrahedron, ellipsoid, torus, and frustum. Get instant results with detailed step-by-step solutions.

• Volume of a Cone Calculator (High Precision) - Discover the volume of a cone with unparalleled precision. Input the radius and height, and let our advanced calculator do the math. Dive into geometry now!

• Volume of a Cube Calculator (High Precision) - Calculate the volume of a cube.

• Volume of a Cylinder Calculator (High Precision) - Calculate the volume of a cylinder.

• Volume of a Pyramid Calculator - Calculate the volume of pyramids with rectangular, square, or triangular bases. Features interactive 3D visualization, step-by-step calculations, surface area, and multiple unit support.

• Volume of a Rectangular Prism Calculator (High Precision) - Calculate the volume of a rectangular prism.

• Volume of Ellipsoid Calculator (High Precision) - Calculate the volume of ellipsoid.

• Volume of Sphere Calculator (High Precision) - Calculate the volume of a sphere.

Miscellaneous

Analysis Tools

• MAC Address Analyzer - Analyze any MAC address to identify manufacturer, validate format, decode structure (OUI/NIC), determine unicast/multicast and UAA/LAA status with visual breakdown and comprehensive network details. Featured

• Password Strength Tester - Evaluate the complexity and security of a password in real-time and estimate how long it might take to crack.

Area Converters

• Acreage Calculator - Calculate a parcel of land's acreage.

• Acres to Hectares Converter - Convert acres to hectares.

• Acres to Perches Converter - Convert acres to perches instantly with interactive visual land area comparison, bidirectional conversion, step-by-step calculations, and historical unit context for surveyors and property owners.

• Acres to Square Feet Converter - Convert acres to square feet.

• Acres to Square Meters Converter - Convert acres to square meters.

• Acres to Square Miles Converter - Convert acres to square miles.

• Acres to Square Yards Converter - Convert acres to square yards.

• Hectares to Acres Converter - Convert hectares to acres instantly with visual size comparisons, real-world examples like football fields and farms, plus comprehensive unit conversions including square meters and square feet.

• Perches to Acres Converter - Convert perches to acres and acres to perches with visual area comparison, step-by-step calculation, and comprehensive conversion reference table for land measurement.

• Square Feet to Acres Converter - Convert square feet to acres.

• Square Meters to Acres Converter - Convert square meters to acres with instant results, visual area comparison diagrams, real-world size references, and comprehensive conversion tables. Free online area converter with land size classification.

• Square Miles to Acres Converter - Convert square miles to acres.

• Square Yards to Acres Converter - Convert square yards to acres.

Audio Tools

• Audio Extractor - Extract audio tracks from your video files online. Select output format (MP3, WAV, AAC, OGG). Client-side processing. New

• Audio Splitter - Professional audio splitter tool to split and cut audio files online. Supports MP3, WAV, M4A, FLAC, OGG, AAC, WMA and other formats. 100% free, client-side processing ensures privacy. No upload required. New

• MP3 Looper - Loop any section of your MP3 files with visual waveform display, precise A/B markers, playback speed control, and real-time preview. Set exact loop points, adjust tempo for practice, and export as MP3. All processing happens in your browser for complete privacy. Featured

• MP3 Reverser - Upload an MP3 file and reverse it to create a new MP3 file.

Chemical Calculators

• Corrected Calcium Calculator - Calculate corrected calcium level adjusted for albumin with multiple formulas (Payne, modified), clinical interpretation, visual calcium distribution diagram, and step-by-step calculation breakdown.

• Corrected Sodium Calculator - Calculate corrected sodium level.

• Molar Mass Calculator - Calculate the molar mass of any chemical formula with detailed breakdown by element. New

• Molarity Calculator - Calculate molarity, mass of solute, or volume of solution for chemistry solutions. New

• pH Calculator - Calculate pH values from hydrogen ion concentration [H+], pOH, or scientific notation with interactive pH scale visualization and detailed step-by-step calculations. New

Color Tools

• CMYK to Hex Converter - Convert CMYK (Cyan, Magenta, Yellow, Black) color values to Hex code with real-time preview, RGB breakdown, step-by-step conversion, color harmony suggestions, and multiple output formats for web and print design.

• Color Contrast Checker - Check and ensure sufficient color contrast between text and background for accessibility.

• Color Inverter - Invert colors instantly with our free online tool. Supports HEX, RGB, HSL, CMYK formats with live preview, color wheel visualization, accessibility contrast checker (WCAG), and complementary color generation. New

• Color Scheme Generator - Create and suggest harmonious color combinations for designers and artists.

• Gradient Generator - Professional CSS gradient generator with interactive color stops, angle control, preset gradients, and instant code export for CSS, Tailwind, and SVG.

• Hex to CMYK Converter - Convert HEX color codes to CMYK (Cyan, Magenta, Yellow, Key/Black) values for print production with visual ink breakdown, step-by-step formulas, and print preview simulation.

• Hex to RGB Converter - Convert hex color code to RGB.

• Image Color Picker - Upload any image and instantly pick colors with precision. Get HEX, RGB, HSL, and CMYK codes, extract color palettes, and discover color harmonies - all in one powerful tool. New

• Palette Generator - Generate beautiful, harmonious color palettes based on color theory. Create analogous, complementary, triadic, split-complementary, tetradic, and monochromatic color schemes with export options for CSS, SCSS, JSON, and Tailwind. New

• Random Color Generator - Generate random colors instantly with HEX, RGB, and HSL formats. Create color palettes, explore color harmonies, copy color codes with one click, and discover beautiful color combinations for your designs.

• RGB to Hex Converter - Convert RGB to hex color code.

Construction And DIY Calculators

• Board Foot Calculator 🪵 - Calculate the volume of lumber in board feet based on dimensions (length, width, thickness). Perfect for woodworkers, contractors, and lumber pricing. New

• Brick and Mortar Calculator 🧱 - Quickly calculate how many bricks or blocks and how much mortar you need to build a wall, including waste allowance and material planning guidance. New

• Concrete Calculator 🧱 - Quickly estimate how much concrete you need for slabs, footings, columns, and stairs, including cubic yard/meter totals and pre-mix bag counts. New

• Decking Calculator 🏗️ - Calculate the materials needed for a deck, including the number of decking boards, joists, beams, and fasteners required for your deck project with waste allowance. New

• Drywall Calculator 🧱 - Calculate the number of drywall sheets needed for walls and ceilings, and estimate the required joint compound, tape, and screws for your project. New

• Fence Calculator 🏡 - Calculate the materials needed for a fence, including the number of posts, rails, pickets, or panels based on the total length and style. New

• Flooring Calculator 🏠 - Calculate the amount of flooring material needed for hardwood, laminate, vinyl, or carpet, including the number of boxes or rolls required with waste allowance. New

• Miter Angle Calculator 📐 - Calculate the precise miter and bevel angles required for cutting trim or molding to fit corners that are not exactly 90 degrees, including support for crown molding installations. New

• Mulch, Soil, and Gravel Calculator 🌱 - Calculate the volume of mulch, topsoil, gravel, or sand needed for landscaping projects based on coverage area and desired depth, with material quantity and weight estimates. New

• Paint Calculator 🎨 - Quickly estimate how much paint you need for any room, accounting for doors, windows, and multiple coats. Get results in gallons or liters with smart coverage estimates. New

• Roof Pitch and Rafter Calculator 🏠 - Calculate roof pitch (slope), angle in degrees, and rafter length based on span and rise. Perfect for roofing projects, carpentry, and construction planning with customary and metric units. New

• Roofing Calculator 🏠 - Calculate the amount of roofing materials needed for shingles, metal sheets, tiles, or underlayment, including the number of bundles or rolls required with waste allowance based on roof area and pitch. New

• Slope and Grade Calculator 📐 - Calculate slope as a percentage, ratio, or angle based on rise and run measurements. Perfect for drainage systems, driveways, ramps, and roofing projects with support for both imperial and metric units. New

• Squareness Checker (3-4-5 Rule) 📐 - Use the 3-4-5 rule (Pythagorean theorem) to verify if a corner is perfectly square (90 degrees) for foundations, framing, and layout work with instant accuracy feedback. New

• Stair Calculator 🪜 - Calculate key stair dimensions including the number of steps, rise, run, stringer length, and angle, ensuring compliance with building codes for safe and comfortable staircase construction. New

• Stud Wall Framing Calculator 🏗️ - Calculate the number of studs needed to frame a wall based on wall length and stud spacing (16 inches or 24 inches on center), including corner studs and waste allowance. New

• Tile Calculator 🔲 - Quickly calculate how many tiles you need for floors or walls, including waste allowance, grout quantity, and mortar requirements. New

• Wallpaper Calculator 🎨 - Calculate the number of wallpaper rolls needed for a room, considering wall dimensions, pattern repeat, and waste allowance for accurate material estimation. New

Encoders And Decoders

• Base64 Decoder - Decode a Base64 encoded string.

• Base64 Encoder - Encode a string use Base64.

• Morse Code Decoder - Decode Morse code to text instantly. Features visual Morse code chart, audio preview, and step-by-step decoding breakdown for easy learning.

• Morse Code Generator - Convert text to morse code with visual breakdown and audio playback. Learn International Morse Code with step-by-step character translation and sound generation. Featured

• URL Decoder - Decode an encoded URL.

• URL Encoder - Encode text for URLs with multiple encoding modes (RFC 3986, Query String, Form Data), visual character-by-character breakdown, and comprehensive encoding analysis. See exactly which characters get encoded and why.

File Conversion

• HEIC to JPG Converter - Convert HEIC images to JPG format easily.

• HEIC to PNG Converter - Convert HEIC images to PNG format easily.

Forex Tools

• Major Forex Pairs Order Generator - Select the desired action (LONG, SHORT, or NO ENTRY) for each currency pair, then click "Generate major forex pairs orders" button.

• Random Forex Pairs Order Generator - Generate random LONG or SHORT forex trading orders for 28 major currency pairs. Perfect for paper trading practice, strategy testing, and eliminating emotional bias in trading simulations.

General Tools

• Age Calculator - Calculate your exact age in years, months, weeks, days, hours, minutes, and seconds with interactive visualization, birthday countdown, life milestones tracker, and personalized insights.

• Air Conditioner BTU Calculator - Calculate BTU requirements for room air conditioners.

• Barcode Generator - Generate various barcode formats like CODE128, EAN, UPC, CODE39, ITF, MSI, and Pharmacode. Customize appearance and download as SVG or PNG. New

• Cost of Smoking Calculator - Calculate cost of smoking.

• Daily Time Savings Calculator - Calculate how much time you can save per year by saving just a few minutes each day. Discover the cumulative impact of small daily time savings with detailed breakdowns and visual comparisons. New

• How Old Are You? - Find out how old you are.

• IP Address to Binary Converter - Convert IP addresses to binary with interactive visual breakdown, step-by-step explanation, and multiple output formats. Supports both IPv4 and IPv6 addresses.

• IP Address to Hex Converter - Convert IP addresses (IPv4/IPv6) to hexadecimal with interactive visual breakdown, multiple output formats, step-by-step conversion explanation, and network analysis. Featured

• Is JavaScript Enabled? - Check whether JavaScript is enabled.

• Job Finder - Find your dream job through the job serch engine.

• Maze Generator - Generate random, solvable mazes with custom dimensions, start/end points, and colors. Download as PNG, SVG, or animated GIF solution. New

• Miles per Gallon Calculator - Calculate the miles per gallon of your car.

• Number to Word Converter - Convert any number to English words instantly. Supports cardinal, ordinal, and currency formats. Featured

• QR Code Generator - Generate QR Codes using Google's Chart API.

• Quote Finder - Find thousands of quotes by author or phrase. Dive into a comprehensive quote database today!

• Word to Phone Number Converter - Convert words and phrases to phone numbers using the international standard T9 keypad letter mapping. Perfect for creating memorable phone numbers and understanding alphanumeric encoding. Featured

Image Tools

• Add Line to Image - Draw lines directly onto your images with customizable colors, styles, and thickness. Features include solid, dashed, dotted, and brush strokes, zoom controls, undo support, and instant PNG download. 100% private - images never leave your device. New

• Add Text to Image - Easily add and style text on your images. Customize font, size, color, position, and effects, then download. New

• Collage Maker - Create beautiful photo collages online quickly and easily.

• Flip GIF - Easily flip your animated GIFs horizontally (mirror) or vertically online without uploading. Free, fast, and secure. New

• Flip Image - Flip images horizontally (mirror) or vertically online for free. 100% private - all processing happens in your browser. No upload required. New

• GIF Maker - Create stunning animated GIFs from your images with drag-and-drop simplicity. Adjust speed, quality, and dimensions. 100% browser-based for complete privacy.

• Image Censor - Upload or drag an image to censor one or more regions with ease. New

• Image Compressor - Compress images instantly without compromising quality. New

• Image Cropper - Crop an image by selecting a region visually.

• Image Enhancer - Enhance image quality by adjusting brightness, contrast, saturation, and warmth. Apply preset filters and download the result. New

• Image Flipper - Flip an image horizontally or vertically with ease.

• Image Resizer - Resize images online for free. Supports JPG, PNG, GIF, WebP. Batch processing, social media presets, aspect ratio lock. 100% private - images never leave your browser.

• Image Rotator - Quickly rotate one or multiple images by any angle (0–360 degrees). New

• Image Splitter - Split an image into multiple parts horizontally or vertically using draggable guide lines.

Key Generators

• Django Secret Key Generator - Generate cryptographically secure SECRET_KEY values for Django projects with entropy analysis, character composition visualization, and one-click copy. Essential for Django security.

• GUID / UUID Generator - Generate random 128-bit GUID / UUID identifiers used in software construction, compliant with RFC 4122.

• MAC Address Generator - Generate random MAC addresses in multiple formats with prefix support, OUI lookup, unicast/multicast and local/universal options. Perfect for network testing, software development, and educational purposes. Featured

• WordPress Secret Key Generator - Generate WordPress Security Key.

• WPA Key Generator - Generate a random WPA key.

Length Converters

• Cm to Feet and Inches Converter - Convert centimeters to feet and inches instantly with step-by-step calculations, visual height comparison, and quick presets for common heights. Featured

• CM to Inches Converter - Instantly convert centimeters (cm) to inches with our free online converter. Includes conversion formula, visual ruler guide, and common conversions.

• Feet and Inches to Cm Converter - Convert feet and inches to centimeters instantly with visual height comparison, multi-unit output (cm, meters, total inches), and common height reference examples. Featured

• Feet to Meters Converter - Instantly convert feet to meters with visual comparison scale, feet and inches input support, metric breakdown (centimeters/millimeters), and common length reference examples.

• Inches to cm Converter - Convert inches to centimeters instantly with interactive visual scale, fractional inch support, multiple output units (cm, mm, m), and real-world size comparisons.

• Meters to Feet Converter - Instantly convert meters to feet with visual comparison scale, feet and inches breakdown, fractional inch display, and common length reference examples.

Lookup Tools

• Facebook User ID Lookup - Free online tool to find any Facebook user, page, or group numeric ID from a profile URL or username. Essential for developers, marketers, and social media managers. Featured

• MAC Address Lookup - Instantly identify network device manufacturers and vendors by MAC address. Search by full or partial MAC address, or look up MAC prefixes by company name with our comprehensive OUI database. Featured

• What is my IP Address? - Shows your current IP address.

Number System Converters

• BCD to Binary Converter - Convert BCD (Binary-Coded Decimal) to binary with step-by-step visualization and detailed explanations. Featured

• BCD to Decimal Converter - Convert BCD (Binary-coded decimal) to decimal integer with step-by-step visualization and detailed explanations. Featured

• BCD to Hex Converter - Convert BCD (Binary-Coded Decimal) to hexadecimal with step-by-step visualization, digit breakdown, and interactive conversion diagrams. Supports packed BCD, unpacked BCD, and multiple input formats. Featured

• Binary to BCD Converter - Convert binary numbers to BCD (Binary-Coded Decimal) format with interactive step-by-step visualization, bit mapping diagrams, and detailed conversion explanations. Featured

• Binary to Gray Code Converter - Convert a binary number to Gray code with a step-by-step explanation, XOR truth table, and bit-by-bit visualization. Featured

• Decimal to BCD Converter - Convert decimal integers to BCD (Binary-Coded Decimal) with step-by-step visual conversion, comparison tables, and detailed explanations. Featured

• Gray Code to Binary Converter - Convert gray code to binary number with step-by-step conversion process. See the detailed transformation from Gray code to standard binary representation. Featured

• Hex to BCD Converter - Convert hexadecimal (Base-16) numbers to BCD (Binary-Coded Decimal) format with interactive step-by-step visualization, digit mapping diagrams, and comprehensive conversion breakdown. Featured

Occult Calculators

• Advanced Zodiac Compatibility Analyzer 💞 - A detailed relationship analysis comparing the Sun (ego), Moon (emotions), Venus (love), and Mars (drive) signs between two individuals. New

• Angel Number Calculator - Discover your angel numbers through recurring numbers or birth date calculation with detailed meanings and spiritual guidance. Featured

• Astrological Element Balance Calculator - Analyze the balance of the four elements (Fire, Earth, Air, Water) in your birth chart based on planetary placements to understand your fundamental temperament and energetic blueprint. New

• Astrological Modality Balance Calculator - Analyze the balance of the three modalities (Cardinal, Fixed, Mutable) in your birth chart to understand how you initiate, stabilize, and adapt to life's changes. New

• Birthstone and Zodiac Flower Finder - Find the traditional birthstones and zodiac flowers associated with your birth month. Discover the unique symbolism, healing properties, and meanings behind these precious gems and blooms. New

• Celtic Tree Zodiac Calculator - Discover your Celtic Tree Sign based on the ancient druidic lunar calendar. Find your sacred tree among 13 Celtic trees like Birch, Oak, Willow, and explore its unique symbolism, personality traits, and spiritual meaning. New

• Destiny Number Calculator - Calculate your numerology destiny number (life path number) from your birth date with step-by-step reduction, detailed personality insights, and compatibility analysis.

• Expression Number Calculator - Calculate your numerology expression number (also called the name number) based on your full name. See your letter-by-letter breakdown, reduction steps, and meaning.

• Life Path Number Calculator - Calculate your life path number based on your birth date. Discover your destiny, life purpose, and personality traits with detailed numerology interpretation and step-by-step calculation.

• Love Compatibility Calculator - Calculate detailed love compatibility using numerology, zodiac signs, and elemental analysis. Get personalized insights with interactive compatibility gauges, relationship dynamics, and cosmic connection scores. Featured

• Mars Sign Calculator - Calculate your Mars sign instantly with our accurate Mars Sign Calculator. Discover how Mars shapes your drive, passion, energy, assertiveness, and approach to conflict and desire.

• Master Number Calculator - Calculate your Life Path Number from your birth date and discover Master Numbers (11, 22, 33) with detailed spiritual meanings, calculation breakdown, and numerology insights. Featured

• Mercury Retrograde Calendar 🌟 - Is Mercury retrograde right now? View the start and end dates for all Mercury retrograde periods (including shadow phases) for current and future years. New

• Mercury Sign Calculator - Find your Mercury sign to reveal your communication style, thought processes, and learning approach. Enter your birth date, time, and location for an instant reading. New

• Moon Sign Calculator - Discover your Moon Sign based on your exact birth time and location. Understand your emotional nature, inner self, and subconscious patterns through accurate astrological calculation.

• Moon Sign Compatibility Calculator - Discover the emotional compatibility between two people based on Moon signs. Calculate Moon positions using precise astronomical data and receive detailed analysis of emotional dynamics, nurturing styles, and relationship harmony. New

• Name Number Calculator - Calculate your numerology name number based on your full name. Discover the meaning of your name number with detailed step-by-step calculation and interpretation. Featured

• New Moon & Full Moon Calendar - Find precise dates and times of all New Moons and Full Moons for any year from 1900 to 2100. Includes zodiac positions, spiritual meanings, and intention guidance for each lunar phase. New

• Numerology Calculator - Find out your numerology numbers and their meanings.

• Personality Number Calculator - Calculate your numerology personality number based on the consonants in your name. Discover how others perceive you with detailed step-by-step calculation and interpretation.

• Saturn Return Calculator - Calculate the exact timing of your Saturn Return with precision ephemeris data. Discover your natal Saturn sign, all three return dates, and personalized life themes for this transformative astrological milestone. New

• Soul Urge Number Calculator - Calculate your numerology Soul Urge (Heart's Desire) Number from the vowels in your full name, with step-by-step breakdown and meaning.

• Sun, Moon & Rising Sign Calculator 🌞🌙✨ - Calculate your Sun, Moon, and Rising signs (the astrological Big Three) based on your birth date, time, and location. Get detailed personality interpretations, elemental analysis, and discover how these three placements shape your identity, emotions, and outward personality. Featured

• Venus Sign Calculator - Calculate your Venus sign to understand your love language, romantic preferences, aesthetic values, and relationship style. Enter your birth date, time, and location for an accurate personalized reading.

• What is my Chinese Zodiac Sign? - Find out what your Chinese zodiac sign is based on your birth date. Discover your zodiac animal, personality traits, lucky numbers, compatible signs, and the meaning behind your Chinese astrological sign.

• What is my Lucky Number? - Find out what your lucky number is based on your date of birth using numerology. Discover the meaning of your lucky number with detailed interpretation and personality insights. Featured

• What is my Zodiac Sign? - Discover your zodiac sign instantly! Enter your birth date to reveal your astrological sign, personality traits, element, ruling planet, and compatibility with other signs.

Pet Age Calculators

• Cat Years to Human Years Calculator - Convert your cat's age to human years with accurate life stage analysis, health insights, and visual comparison charts.

• Dog Years to Human Years Calculator - Convert dog years to human years using modern veterinary guidelines. See your dog's equivalent human age, life stage, and health insights based on breed size.

Pressure Converters

• Bar to PSI Converter - Convert pressure between bar and psi (pounds per square inch) with visual gauge, common presets, and multi-unit results.

• kPa to psi Converter - Convert kPa (kilopascals) to psi (pounds per square inch) instantly. Free online pressure unit converter with conversion formula, reference chart, and common pressure examples.

• PSI to Bar Converter - Convert between PSI (pounds per square inch) and Bar pressure units instantly. Features bidirectional conversion, visual pressure gauge, common presets for tires, SCUBA, and industrial applications, plus multi-unit comparison table.

• psi to kPa Converter - Convert psi (pounds per square inch) to kPa (kilopascals) instantly. Free online pressure unit converter with conversion formula, reference chart, and common pressure examples.

Student Calculators

• Electricity Calculator - Solve for voltage, current, resistance, and power using two formulas.

• Grade Point Average (GPA) Calculator - Find your grade point average (GPA) with the number of grades you have received.

• Kinematics Calculator - Solve many different problems relating to one dimensional motion using three different kinematic equations.

Unit Converters

• Angle Converter - Convert angles between degrees, radians, gradians, turns, arcminutes, arcseconds, and milliradians instantly with a visual protractor diagram and DMS notation support. New

• Energy Converter - Instantly convert energy between Joules, Kilojoules, Kilocalories, BTU, Watt-hour and Foot-Pounds. New

• File Size Converter - Convert file size from one unit of measurement to another.

• kg to lbs Converter - Convert kilograms (kg) to pounds (lbs) and vice versa with step-by-step calculations, weight breakdowns in ounces, and real-world weight comparisons. Featured

• Lbs to Kg Converter - Convert pounds (lbs) to kilograms (kg) with our easy-to-use weight conversion calculator. Get accurate conversions with visual representations and detailed explanations. Featured

• Length Converter - Convert between length units instantly: meters, centimeters, millimeters, kilometers, feet, inches, yards, miles, and nautical miles. Features real-world comparisons and visual scale. New

• Percent to PPM Converter - Free online tool to convert between percent (%) and parts per million (ppm) with instant results, visual scale diagram, and common conversion reference table. Featured

• Power Converter - Instantly convert power between Watt, Kilowatt, Horsepower, BTU per hour, and Foot-Pound per Second. New

• PPM to Percent Converter - Convert ppm (parts-per-million) to percentage with visual scale, real-world examples, and detailed explanations. Featured

• Pressure Converter - Instantly convert pressure between Pascals, Kilopascals, Megapascals, Bar, Millibar, PSI, Atmospheres, Torr, and kgf/cm². New

• Shoe Size Converter - Instantly convert shoe sizes between US, UK, EU, and centimeter (Mondopoint) standards. New

• Speed Converter - Instantly convert speed between Meters per Second, Kilometers per Hour, Miles per Hour, Feet per Second, and Knots. New

• Temperature Converter - Convert temperature between Celsius, Fahrenheit, Kelvin, Rankine, and Réaumur instantly.

• Ultimate Frequency & Wavelength Converter - Convert between frequency and wavelength across common units; supports custom propagation speed.

• Volume Converter - Instantly convert volume between Liters, Milliliters, Cubic Meters, Cubic Centimeters, Cubic Feet, Cubic Inches, US Gallons, Quarts, Pints, Cups, Fluid Ounces, Tablespoons, and Teaspoons. New

• Weight (Mass) Converter - Instantly convert weight between Kilograms, Grams, Milligrams, Metric Tons, Pounds, Ounces, Stones, and Short Tons. New

Video Tools

• Add or Replace Audio in Video - Easily add new audio to your video (mixing with original sound) or completely replace the video's existing audio. Keeps original video length. Option to loop shorter audio. Adjust added audio volume in dB. New

• Add Watermark to Video - Easily add a text or image watermark to your videos online. Customize position, size, font, and color. No uploads required. New

• Adjust Video Speed - Easily change video playback speed (slow motion or fast forward) online. Supports 0.25x to 4.0x speed adjustment. Free, client-side processing. New

• Flip Video - Easily flip your videos horizontally (mirror) or vertically online without uploading. Free, fast, and secure. New

• FPS Converter - Easily change the frame rate (FPS) of your videos online. Supports presets and custom FPS. Free, fast, and client-side processing. New

• GIF to MP4 Converter - Convert your animated GIFs into MP4 videos directly in your browser. Customize quality, size (dimensions/scale), preview, and download instantly. Fast, free, and private. New

• Loop Video - Easily loop your videos a specified number of times. Processes in your browser, no uploads. Free and secure. New

• Merge Videos - Combine multiple video files into a single video online. Client-side merging, reorder videos before merging. Free and secure. New

• MP4 to GIF Converter - Convert your MP4 videos into animated GIFs directly in your browser. Customize size, FPS, and preview instantly.

• Random Video Thumbnail Generator - Generate random thumbnails from uploaded videos.

• Remove Audio from Video - Easily remove the audio track (mute) from your video files online. Keeps video quality. Client-side processing. New

• Reverse Video - Easily reverse short video clips online (best under 20s). Optionally select start/end times. Processed in your browser. New

• Rotate Video - Easily rotate your videos 90, 180, or 270 degrees clockwise or counter-clockwise online without uploading. Free, fast, and secure. New

• Video Compressor - Compress video files online directly in your browser. Reduce video size with adjustable quality settings. Free, secure, and no uploads required. New

• Video Cropper - Crop your videos online directly in your browser. Draw a rectangle to select the area, preview, and download. New

• Video Splitter - Easily split a segment from your video online without uploading. Select start and end times visually. Free, fast, and secure. New

• Video to Image Extractor - Extract single or multiple image frames from your videos online. Select time, interval, and format (PNG, JPG, WEBP). New

Volume Converters

• Cups to Gallons Converter - Convert cups to gallons.

• Cups to Liters Converter - Convert US cups to liters instantly with visual measuring cup reference, common cooking conversions, and bidirectional conversion. Perfect for recipes and cooking measurements.

• Cups to Ounces Converter - Convert cups to ounces.

• Cups to Quarts Converter - Convert cups to quarts.

• Cups to Tablespoons Converter - Convert cups to tablespoons.

• Cups to Teaspoons Converter - Convert cups to teaspoons.

• Gallons to Cups Converter - Convert US gallons to cups instantly with visual representations, bidirectional conversion, and complete volume breakdown including quarts and pints.

• Liters to Cups Converter - Convert liters to cups instantly. Supports US customary cups, metric cups (250 mL), and Imperial cups with precise calculations and a visual converter.

• Ounces to Cups Converter - Convert fluid ounces to cups and cups to ounces instantly. Features bidirectional conversion, visual measurement guide, common conversions reference table, and detailed step-by-step calculations for cooking and baking.

• Quarts to Cups Converter - Convert quarts to cups.

• Tablespoons to Cups Converter - Convert tablespoons to cups and cups to tablespoons instantly. Supports US, Metric, and Imperial measurements with visual fill-level diagrams.

• Tablespoons to Teaspoons Converter - Convert tablespoons to teaspoons and teaspoons to tablespoons with visual spoon diagrams, step-by-step calculations, and a quick reference table for common recipe measurements.

• Teaspoons to Cups Converter - Convert teaspoons to cups and cups to teaspoons instantly. Features bi-directional conversion, visual measuring guides, common recipe presets, and a complete reference table for cooking and baking.

• Teaspoons to Tablespoons (tsp to tbsp) Converter - Convert teaspoons to tablespoons.

Weight Converters

• Grams to Ounces Converter - Convert grams to ounces (oz) instantly with an interactive balance scale visualization, step-by-step calculations, common weight references, and a comprehensive conversion table.

• Grams to Pounds Converter - Convert grams to pounds instantly with visual weight scale, real-world comparisons, bidirectional conversion, and interactive conversion tables for cooking, shipping, and everyday weight measurements.

• Ounce to Gram Converter - Convert ounces to grams instantly with visual weight scale, common conversions table, precision control, and step-by-step calculation breakdown.

• Pounds to Grams Converter - Convert pounds to grams instantly with an interactive visual scale, common weight references, and detailed conversion tables. Features bidirectional conversion with real-world examples like food portions and everyday objects.

Randomness

• Gaussian Distribution Generator - Generate random numbers following a Normal (Gaussian) Distribution based on mean and standard deviation. Features interactive bell curve visualization, statistical analysis, histogram display, and export options. Perfect for simulations, statistical modeling, and educational purposes. New

• List Randomizer - Randomize a list of elements. Featured

• Lottery Number Generator - Generate random lottery numbers for popular lotteries worldwide including Powerball, Mega Millions, EuroMillions, and custom games with animated ball reveal and lucky number analysis. Featured

• Name Randomizer - Randomize names with animated shuffle visualization. Pick random winners, shuffle lists, create fair selections for raffles, giveaways, classroom activities, and team assignments. Featured

• Number Randomizer - Randomize a list of numbers.

• Password Generator - Generate a random password.

• Random Animal Generator - Discover amazing animals with our Random Animal Generator! Perfect for kids and curious minds. Generate random animals with fun facts, filter by category, and build your wildlife collection. Featured

• Random Birthday Generator - Generate multiple random birthdays with detailed information including age, zodiac sign, day of week, and fun birthday facts. Perfect for testing, data generation, and creative projects. Featured

• Random Decimal Number Generator - Generate a random decimal.

• Random Emoji Generator - Generate random emojis, emoji sequences, or themed emoji combinations to spice up your messages, social media posts, and creative projects. Choose from 10+ categories and themes. New

• Random Group Generator - Create perfectly balanced random groups from any list of names. Ideal for teachers, team leaders, and event organizers. Features multiple grouping modes, visual team displays, and one-click copy functionality. Featured

• Random Integer Generator - Generate a random integer.

• Random Letter Generator - Generate random letters from A to Z with customizable options. Choose uppercase, lowercase, or mixed case. Generate single or multiple letters for games, teaching, random selection, and more.

• Random Line Picker - Pick random lines from any text input. Select multiple random items at once with options for duplicate control. Perfect for raffles, task assignment, decision making, and more. Featured

• Random Meal Generator - Can't decide what to eat? Generate random meal ideas based on cuisine type, meal time, and dietary preferences. Perfect for meal planning and solving the daily dinner dilemma. New

• Random Name Generator - Generate unique, creative names using AI across 11 categories including person names, company names, usernames, pet names, and more. Create up to 20 names at once.

• Random Name Picker - Fairly Pick Random Names from a list. Enhanced with a unique 3-step Randomness Process Certification for credibility. Featured

• Random Number Picker - Pick a random number from your custom list with animated selection, multiple pick modes, history tracking, and fun lottery-style experience. Fair, unbiased, and perfect for games, raffles, decisions, and random selection. Featured

• Random Object Generator - Generate random everyday objects with colorful cartoon images and educational descriptions. Perfect for vocabulary building, creative writing, drawing prompts, and fun learning activities for kids. Featured

• Random Picker - Pick random items or images from a list with stunning visual animations, spinning wheel effects, sound feedback, confetti celebrations, and selection history tracking. Perfect for giveaways, raffles, team selection, and decision making. Featured

• Random Quote Generator - Generate random quotations with author information, images, and download capabilities. Featured

• Random String Generator - Generate cryptographically secure random strings with customizable character sets, length options, and password strength analysis. Featured

• Random Tournament Bracket Generator - Generate randomized single-elimination tournament brackets instantly. Input your participants and create fair, unbiased matchups with interactive bracket visualization, PDF export, and shareable results. Perfect for sports tournaments, gaming competitions, and office contests. New

• Random Truth or Dare Generator - Generate fun Truth questions and Dare challenges for parties, sleepovers, and social gatherings. Features intensity levels, custom questions, card-flip animations, and a built-in spinner to add excitement to your game nights. New

• Random Word Generator - Generate random words (up to 20 words at once) with AI-powered definitions, syllable counts, and usage examples. Filter by part of speech, word length, and more.

• Randomize Lines - Randomize lines of input text.

• Randomize Numbers - Randomize a set of numbers.

Sports

Baseball

• At Bats per Home Run Calculator - Calculate the at bats per home run.

• Batting Average Calculator - Calculate batting average in baseball by entering hits and at-bats. Get detailed statistics, performance ratings, and step-by-step calculations with visual baseball-themed results. Featured

• ERA Calculator - Calculate ERA (Earned Run Average) for baseball pitchers. Analyze pitching performance with detailed statistics and visualizations. Featured

• FIP Calculator - Calculate Fielding Independent Pitching (FIP) for baseball pitchers with visual performance scale, step-by-step formula breakdown, and comparison to MLB benchmarks.

• On Base Percentage Calculator - Calculate on-base percentage (OBP) with instant MLB-level analysis, player comparisons, visual breakdown, and performance ratings. Free OBP calculator for baseball and softball statistics. Featured

• OPS Calculator - Calculate OPS (On-base Plus Slugging), OBP (On-base Percentage), SLG (Slugging Percentage), and batting average with visual breakdown, performance rating, and step-by-step calculation display. Featured

• Slugging Percentage Calculator - Calculate baseball slugging percentage (SLG) with interactive visualizations, player performance ratings, MLB benchmark comparisons, and comprehensive hitting power analysis. Featured

• Strikeout-to-Walk Ratio Calculator - Calculate the strikeout-to-walk ratio (K/BB) with performance rating, historical comparisons, step-by-step formula breakdown, and pitcher control analysis for baseball statistics.

• Total Bases Calculator - Calculate the total bases in baseball statistics.

• WAR Calculator - Calculate Wins Above Replacement (WAR) for baseball players including position player WAR (batting, baserunning, fielding) and pitcher WAR with step-by-step calculations, visualizations, and player value analysis. Featured

• WHIP Calculator - Calculate WHIP (Walks + Hits per Inning Pitched) instantly with quality ratings, step-by-step formula breakdown, MLB benchmark comparisons, and partial innings support. Essential for baseball analytics, fantasy sports, and coaching. Featured

Basketball

• Effective Field Goal Percentage Calculator - Calculate the Effective Field Goal Percentage (eFG%) in basketball.

• Field Goal Percentage Calculator - Calculate field goal percentage (FG%) instantly for basketball and other sports statistics. Enter made and attempted shots to get accurate shooting percentage and performance metrics. Featured

• PER Calculator - Calculate Player Efficiency Rating (PER) for basketball players with interactive charts, performance benchmarks, and comprehensive statistical analysis. Featured

• Rebound Rate Calculator - Calculate Offensive Rebound Percentage (ORB%), Defensive Rebound Percentage (DRB%), and Total Rebound Percentage (TRB%) with step-by-step formulas, visual analysis, and performance ratings for basketball analytics.

• True Shooting Percentage Calculator - Calculate true shooting percentage (TS%) to measure basketball shooting efficiency including field goals, 3-pointers, and free throws.

• Usage Rate Calculator - Calculate the Usage Rate (USG%) in basketball.

Text Tools

Other Text Tools

• Anagram Generator - Generate all possible anagrams of any word with dictionary validation across 10 languages. Perfect for Scrabble, crossword puzzles, and word games. Instant results with sorting and filtering options.

• Bionic Reading Converter - Transform any text into bionic reading format by bolding the first letters of each word. Create artificial fixation points that guide your eyes and help you read faster and retain more. New

• Compare Two Strings - Compare two strings with character-by-character analysis, similarity metrics, visual diff maps, and detailed comparison statistics. Featured

• Find Longest Line - Find the longest line.

• AI Language Detector - Detect languages with AI.

• Text Column Extractor - Extract vertical columns from structured text data with ease. Perfect for log files, CSV data, space-separated values, and command output. Select specific columns by number, choose delimiters, and get clean results instantly. New

• Text Line Processor - Apply a simple template to each line.

• Text to Speech Reader - Convert text to speech using your browser's native voice synthesis. Listen to your text with adjustable speed, pitch, and voice options. Perfect for proofreading and accessibility. New

• XML Validator - Validate your XML documents for well-formedness. Get instant syntax error detection with line numbers, document statistics, and structure visualization. New

Subtitle Tools

• CSV to SRT Converter - Convert CSV subtitle data to SRT format instantly. Supports multiple time formats, automatic merging, and one-click download.

• SRT Merger - Merge SRT subtitles for more coherent reading

• SRT Time Shift - Shift SRT subtitle timestamps forward or backward with millisecond precision. Fix out-of-sync subtitles instantly with visual comparison and download.

• SRT to CSV Converter - Convert SRT subtitle files to CSV format instantly with visual timeline preview, statistics dashboard, and multiple output options. Free, secure, and browser-based.

• SRT to TXT Converter - Convert SRT subtitle files to plain text. Remove timestamps and formatting, extract clean dialogue text instantly. Featured

• VTT to TXT Converter - Convert VTT file to TXT.

Text Extraction Tools

• Email Extractor - Extract all email addresses from any text with domain analysis, duplicate detection, and export options. Fast, accurate email extraction with statistics dashboard. Featured

• Number Extractor - Extract integers, decimals, and scientific notation from any text. Get instant statistics including sum, average, min/max, distribution analysis, and multiple export formats. Featured

• Phone Number Extractor - Extract phone numbers from text with intelligent format detection, statistics, and export options. Featured

• URL Extractor - Extract, analyze, and visualize all URLs from any text with advanced filtering, statistics, and interactive charts. Featured

Text Modification Tools

• Add Line Breaks - Add line breaks (carriage returns) to sentence ending.

• Add Line Numbers - Add line numbers to each line of your text with customizable formats. Perfect for code review, legal documents, scripts, and academic work.

• Add Prefix and Suffix to Text - Add custom prefix and/or suffix to each line of text with real-time preview, smart templates, line numbering, and multiple formatting modes for efficient batch text processing. Featured

• AI Grammar Checker - AI-powered tool for precise, multilingual academic editing.

• AI Paraphraser - This AI-powered tool utilizes advanced natural language processing to paraphrase text accurately and creatively. Get two unique versions of your content instantly. Featured

• AI Punctuation Adder - AI-powered tool that automatically adds punctuation to unpunctuated text. Perfect for transcripts, notes, and speech-to-text output. Featured

• AI Sentence Expander - This free online sentence expander tool uses AI to expand your sentences by adding more details and context. Get two unique, expanded versions of your text instantly. Featured

• ASCII Art Generator - Transform plain text into eye-catching ASCII art banners using classic FIGlet fonts. Perfect for terminal art, code comments, README files, signatures, and retro designs. New

• Break Line by Characters - Insert line breaks based on the maximum number of characters per line without splitting words. Featured

• Caesar Cipher Tool - Encrypt and decrypt text using the Caesar cipher with interactive visualization, brute force analysis, frequency charts, and step-by-step explanations. New

• Fancy Text Generator - Transform ordinary text into eye-catching Unicode fonts like Gothic, Cursive, Bold, Circled, and more. Perfect for Instagram bios, Twitter profiles, Facebook posts, and Discord usernames. New

• Find and Replace Text - Find and replace text online with powerful regex support, visual diff comparison, real-time match highlighting, undo/redo history, and file upload. A professional text editing tool for code, data, and documents. New

• Invisible Character Remover - Detect and remove zero-width spaces, soft hyphens, and other invisible Unicode characters that cause formatting issues. Clean your text with visual detection map. New

• Invisible Text Generator - Generate invisible characters and blank text using Zero Width Spaces, Unicode blank characters, and other invisible symbols. Perfect for creating blank messages, invisible names, or empty text for social media, Discord, WhatsApp, and gaming profiles. New

• List Cleaner - Advanced list cleaner to remove duplicates, trim whitespace, sort alphabetically or numerically, filter empty lines, remove prefixes/suffixes, and format lists with multiple output options.

• List Difference Calculator - Compare two lists to find unique items in each list and common items. Visualize set differences with an interactive Venn diagram. Perfect for data analysis, list comparison, and finding duplicates. New

• Lowercase/Uppercase Letters - Make text lowercase or uppercase.

• Remove Accent - Remove accents and diacritics from text instantly. Convert accented characters (é, ñ, ü, etc.) to their plain ASCII equivalents for URLs, filenames, databases, and more. Featured

• Remove Duplicate Lines - Remove duplicate lines from text instantly with multiple modes, case sensitivity options, whitespace handling, and detailed statistics showing lines removed and compression ratio.

• Remove Empty Lines - Remove empty lines from text.

• Remove Leading Trailing Spaces - Remove leading and trailing spaces, tabs, and whitespace from each line of text with real-time preview, detailed statistics, and multiple trimming options. Featured

• Remove Line Breaks - Remove line breaks, carriage returns, and newlines from text with multiple processing modes. Smart paragraph detection, real-time preview, and before/after comparison.

• Remove Line Numbers - Remove line numbers from text.

• Remove Lines Containing... - Filter text lines by keeping or removing those containing specific patterns. Supports case-sensitive matching, regular expressions, and whole word matching with real-time statistics and visual feedback. Featured

• Remove Punctuation - Easily remove or replace punctuation from your text Online!

• Remove Spaces - Remove extra spaces, leading/trailing spaces, blank lines, and normalize whitespace from text. Free online tool with live statistics, visual comparison, and multiple cleanup modes. Featured

• Reverse Line - Instantly reverse the order of lines in your text with our interactive tool.

• Reverse Text - Reverse a text string.

• Small Text Generator ⁽ᶜᵒᵖʸ ⁿ ᵖᵃˢᵗᵉ⁾ - Transform your text into small fonts including small caps, superscript, and subscript for social media, messaging, and creative content.

• String Repeat - Simple tool to repeat a string.

• Text Formatter - A powerful online text formatting tool with multiple options to clean, transform, and beautify your text. Remove extra spaces, change case, add line numbers, sort lines, and more. Featured

• Text Repeat - Simple tool to repeat a block of text.

• Text to SQL List Converter - Transform plain text lists into SQL-ready format with single quotes and commas. Perfect for SQL IN clauses, database queries, and data processing. New

• Title Case Converter - Easily convert your text to title case online!

• Upside Down Text Generator - Transform your text upside down using special Unicode characters. Perfect for social media posts, fun messages, and creating unique content that stands out. New

• Zalgo Text Generator - Transform normal text into creepy glitchy Zalgo text with chaotic diacritical marks. Perfect for Halloween posts, horror themes, memes, and creating mysterious or cursed text effects. New

Text Sorting Tools

• Sort Lines Alphabetically - Sort text lines alphabetically with advanced options including case-insensitive sorting, reverse order, numeric sorting, natural sorting, remove duplicates, and interactive visualization of sorting statistics. Featured

• Sort Text By Length - Sort text lines by character length with instant visual analysis, statistics, and advanced sorting options. Free online text sorting tool with line length distribution charts and real-time character counting. Featured

Text Statistics Tools

• Character Counter - A comprehensive character counter that counts total characters, letters, numbers, symbols, spaces, and provides detailed character type breakdown with visual charts.

• Get String Length - Advanced string length calculator that counts characters, bytes, words, lines, and provides detailed character analysis with visual breakdowns.

• Line Counter - Count lines, words, characters, sentences, and paragraphs in any text. Features live preview with line numbers, blank line detection, code analysis mode, and interactive statistics visualization. Featured

• Readability Score Calculator - Analyze text and calculate multiple readability scores (Flesch-Kincaid, Gunning Fog, SMOG, etc.) to determine the reading grade level required to understand your content. New

• Word Counter - A comprehensive word counter that counts words, characters, sentences, paragraphs, and provides reading time estimates.

Time and Date

Date Tools

• Birth Day of the Week Calculator - Discover what day of the week you were born, your zodiac signs, birthstone, and explore your upcoming birthdays.

• Calendar - Create monthly and yearly calendars.

• 📅 Date Calculator - Add or subtract days, weeks, months, and years to/from a date with step-by-step calculations, interactive visualizations, and comprehensive date insights. Featured

• Day of the Week Calculator - Calculate day of the week for a date.

• Day of the Year Calculator - What Day of the Year Is It Today? - Find what day of the year it is with our interactive calculator. See year progress, week number, quarter, days remaining, and a visual calendar view for any date. Featured

• Day of Year Calendar - Find the day number (1-365/366) for any date. Interactive calendar with year progress tracker, week numbers, quarter breakdown, and instant lookup for 2026. Featured

• Days Between Two Dates - Calculate the number of days between two dates.

• Days in Month - Calculate days in month of a year.

• Is it April Fool's Day? - Check if today is April fool's day.

• Is it Christmas? - Check if today is Christmas.

Leap Year Calculators

• Is it Leap Year? - Check if a year is a leap year.

• Leap Years List - Generate a complete list of leap years between any two years from 1600 to 4000. Visual timeline with patterns, statistics, and interactive year checker. Featured

• Next Leap Year Calculator - Find the next leap year from any given year with visual timeline, leap year checker, and educational content about the Gregorian calendar 400-year cycle.

• When is Leap Year? - Find out when is the last and next leap year.

Season Calculators

• Autumnal Equinox Day - Find the date of autumnal equinox.

• First Day of Autumn - Find the first day of autumn (fall).

• First Day of Spring - Find the first day of spring.

• First Day of Summer - Find the first day of summer.

• First Day of Winter - Find the first day of winter.

• Longest Day of the Year - Find the longest day of the year.

• Shortest Day of the Year - Find the shortest day of the year.

• Summer Solstice Day - Find the date of summer solstice.

• Vernal Equinox Day - Find the date of vernal equinox.

• Winter Solstice Day - Find the date of winter solstice.

Time Calculators

• Decimal to Time Converter - Convert decimal hours to hours, minutes and seconds with step-by-step breakdown, multiple output formats, and visual time representation.

• Time Duration Calculator - Calculate the exact time duration between two times or dates. Get results in multiple formats including hours, minutes, seconds, work hours, and visual timeline representation. Featured

• Time to Decimal Converter - Convert time in hours, minutes, and seconds to decimal format for payroll, billing, and timesheet calculations. Features visual clock dial, step-by-step breakdown, and copy functionality.

• Unix Time Converter - Convert Unix timestamp to human readable date/time or vice versa.

• Work Hours Calculator - Calculate your weekly work hours with visual analytics, overtime tracking, break management, and printable timesheet. Track daily totals, weekly summary, monthly estimates, and hourly pay calculations. New

Webmaster Tools

• CPC Calculator - Calculate Cost Per Click (CPC), CPM (cost per 1,000 impressions), and CTR (click-through rate) with visual funnel diagram, campaign benchmarks, and step-by-step formulas.

• CPM Calculator - Calculate CPM (Cost Per Thousand Impressions), campaign cost, and ad impressions with visual breakdowns, industry benchmarks, and step-by-step formulas for digital advertising optimization.

• Cron Job Generator - Easily generate cron job syntax for scheduling tasks. Includes common examples to get you started.

• CSS Compressor - Compress CSS code to reduce file size.

• Google AdSense Calculator - Calculate and estimate your Google AdSense earnings with our free calculator. Analyze page impressions, CTR, CPC, eCPM, and projected revenue with interactive visualizations and earnings breakdown.

• HTML Compressor - Compress and minify HTML code online. Remove whitespace, comments, and line breaks to reduce file size with visual compression statistics.

• HTML Entity Encoder/Decoder - Convert special characters to their corresponding HTML entities (encoding) or decode HTML entities back to normal text (decoding) for safe display of code on websites. New

• HTML to Text Converter - Convert HTML code to plain text, removing all HTML tags.

• JSON String Escape/Unescape - Escape special characters (quotes, backslashes, newlines, etc.) in a string so it can be safely used inside a JSON structure, or revert escaped JSON strings back to their original form. New

• Keyword Density Checker - Analyze text to find the most frequently used words and phrases (1-word, 2-word, 3-word) and their percentage usage. Essential tool for SEO optimization and content analysis. New

• Lorem Ipsum Generator - Generate customizable Lorem Ipsum placeholder text for web design and mockups. Create paragraphs, sentences, or words with HTML formatting options. New

• Markdown Table Generator - Convert CSV data or tab-separated text columns directly into a formatted Markdown table structure for use in GitHub READMEs, documentation, and other Markdown documents. New

• Meta Tag Generator - Generate meta tags for your website.

• Smart Quotes Remover - Replace curly smart quotes and apostrophes (created by Word processors) with standard straight quotes to fix code syntax errors and ensure compatibility. New

• Unix Permission Calculator (chmod) - Interactively calculate Unix file permissions (octal and symbolic) and generate chmod commands.

• URL Slug Generator - Convert article titles and text into clean, SEO-friendly URL slugs with lowercase letters, alphanumeric characters, and hyphens for better search engine optimization. New

• Value of A Page View Calculator - Calculate the value of each page view.

• Value of A Visitor Calculator - Calculate the value of each visitor.

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All MiniWebtools