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 - Calculate your pregnancy due date based on last menstrual period or conception date. Get a complete pregnancy timeline with trimester milestones, week-by-week development, and important dates.
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.
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