Fitness Calculators

Convert six-event Army Combat Fitness Test performance into points with MiniWebtool’s ACFT Score Calculator. Age, sex, lifts, throws, repetitions, and event times determine the score breakdown and reveal which events fall below the displayed passing threshold.

Build a training week around your goals with MiniWebtool’s AI Workout Plan Generator. The plan includes exercises, sets, repetitions, rest periods, and alternatives, with a four-week progression and checks on session length and weekly muscle-group volume.

MiniWebtool’s Army Body Fat Calculator estimates body fat using the historical pre-2023 neck, waist, and hip tape formulas. Use it for estimation or historical reference; these measurements do not determine current Army body-composition compliance.

Use your torso length and trip length in MiniWebtool’s Backpack Size Calculator to find the correct frame size (XS to L) and recommended pack volume in litres, adjusted for nights out, packing style and season. Includes a torso measuring guide.

Turn your beep test (20m multi-stage fitness test) result into an estimated VO2 max with MiniWebtool’s Beep Test Calculator and the Leger equation. Enter the level and shuttle plus age and gender to see VO2 max, a fitness rating, speed, shuttles and distance covered.

MiniWebtool’s Bench Press Calculator estimates one-repetition maximum from a lighter lift and repetition count. Choose a formula to compare estimated strength and percentage-based training loads without performing a maximal lift.

MiniWebtool’s Bike Gear Ratio Calculator relates chainring and cog teeth to ratio, gear inches, rollout, and gain ratio. Wheel size and cadence also produce an estimated riding speed for that gearing.

Use MiniWebtool’s Bike Size Calculator to enter height and inseam and get a frame size for road, mountain, and hybrid bikes, plus saddle height and standover.

Calculate basal and resting metabolic rate plus daily calorie needs with MiniWebtool’s BMR Calculator using the Mifflin-St Jeor and Harris-Benedict equations. Includes TDEE, an activity-level breakdown, macronutrient estimates and a formula walkthrough.

Use MiniWebtool’s Body Fat Percentage Calculator to calculate body fat percentage with the US Navy Method, including a visual body composition breakdown, fitness category assessment, and personalized health recommendations.

Plan calorie and macro targets for losing fat and gaining muscle at the same time with MiniWebtool’s Body Recomposition Calculator. Get a Recomp Feasibility Score, training-day versus rest-day calorie cycling, protein-first macros and 12, 24 and 52 week projections.

Estimate punch force, impact energy and power output from body weight, fist speed and effective striking mass with MiniWebtool’s Boxing Punch Power Calculator. It turns impulse, momentum and kinetic energy into newtons, joules and watts, rated against amateur and pro benchmarks.

Estimate activity energy expenditure in MiniWebtool’s Calorie Burned Calculator. Body weight, activity, and duration combine with MET values to calculate calories burned; actual expenditure can differ with intensity and individual factors.

Give MiniWebtool’s Calorie Deficit Calculator your current weight, goal weight, activity, and weeks to get BMR, TDEE, and a daily deficit capped at 1,000 kcal.

MiniWebtool’s Cooper 12-Minute Run Calculator estimates VO₂ max from distance covered in 12 minutes. Age and sex provide a fitness-reference comparison, while track laps and modeled race times help interpret the performance.

MiniWebtool’s Cycling Speed Calculator works between ride distance, time, and average speed. Select the unknown and units to calculate the missing quantity; optional body weight adds energy-expenditure context.

Turn a cycling power test into training targets. MiniWebtool’s FTP & Power Zones Calculator estimates functional threshold power from a supported test protocol, or accepts known FTP, then calculates seven Coggan zones in watts. Add body weight for watts per kilogram.

Measure the fall in heart rate during the first minute after exercise. MiniWebtool’s Heart Rate Recovery Calculator subtracts the recovery reading from peak heart rate and provides interpretive context; exercise and recovery conditions affect how that drop should be assessed.

A helmet size begins with head circumference. MiniWebtool’s Helmet Size Calculator matches your measurement to the selected sport’s sizing chart, with a letter-size suggestion and fit guidance; check the particular manufacturer’s sizing before choosing a helmet.

Estimate trail time from distance and elevation changes with MiniWebtool’s Hiking Pace Calculator (Naismith's Rule). The route inputs and rest allowance produce a planning estimate; terrain, weather, and individual pace can change the actual duration.

Plan a trail’s duration and arrival time with MiniWebtool’s Hiking Time Calculator. Distance, ascent, descent, and start time feed the estimate, with average speed and difficulty context to help compare routes.

Plan workout fluids around the activity and conditions with MiniWebtool’s Hydration Calculator. Use body weight, duration, intensity, and environment or a measured sweat rate to estimate water and electrolyte needs and a drinking schedule.

Explore strength projections based on estimated lean mass using MiniWebtool’s Lean Body Mass to Strength Calculator. It models one-repetition maximums for four lifts and reports FFMI context; training history and technique can substantially affect actual performance.

Build a marathon or half-marathon pacing plan in MiniWebtool’s Marathon Pace Calculator. Target pace and strategy generate kilometer or mile splits, with equivalent race-time estimates and modeled late-race context.

Compare age-based maximum-heart-rate estimates in MiniWebtool’s Max Heart Rate Calculator. Six formulas, including Tanaka, Gulati, and traditional methods, produce reference values and training zones; actual maximum heart rate can differ from a formula estimate.

Calculate your one-rep maximum (1RM) using 7 scientific formulas with MiniWebtool’s One Rep Max (1RM) Calculator. Get training zone percentages, warm-up sets and a visualization of your strength potential for any exercise.

Estimate aerobic fitness from a one-mile walk using MiniWebtool’s One-Mile Walk Test (Rockport) Calculator. Walk time, finishing heart rate, and relevant personal inputs produce an estimated VO2max and reference category rather than a laboratory measurement.

Estimate energy expenditure from pace using MiniWebtool’s Pace to Calories Calculator. Activity, body weight, and duration or distance produce gross and net calorie estimates, with paces up to 60 minutes per mile or kilometer.

Use a recent race to estimate training speeds in MiniWebtool’s Pace Zone Calculator. The Jack Daniels VDOT method produces Easy, Marathon, Threshold, Interval, and Repetition pace ranges as planning references for different workout purposes.

Estimate a daily protein target from body weight, goal, and activity in MiniWebtool’s Protein Intake Calculator. A per-meal split and food-source suggestions help translate the modeled total into meal planning.

From one recent race result, MiniWebtool’s Race Time Predictor uses Riegel's formula to predict your 5K, 10K, half marathon and marathon finish times. See every predicted time and pace on a race-lane chart, switch between min/km and min/mile, and tune the fatigue factor.

Convert indoor-rowing pace with MiniWebtool’s Rowing Pace Calculator. Start from a 500-meter split, power, or distance and time to compare equivalent values and projected finish times for common rowing distances.

Compare running results across ages with MiniWebtool’s Running Age-Grading Calculator. Age, sex, distance, and finish time produce an age-grade percentage against a reference standard and equivalent performances at other ages.

MiniWebtool’s Running Pace Calculator connects distance, finish time, and pace. Supply the known quantities to find the missing one, then review splits, pace context, and projected times at the same pace.

Estimate a ski-length range with MiniWebtool’s Ski Size Calculator. Height, weight, ability, and ski type shape the recommendation, with a body-position diagram illustrating the shorter-versus-longer tradeoff.

Size a board around the rider with MiniWebtool’s Snowboard Size Calculator. Weight, height, boots, style, and ability inform length and width recommendations, with diagrams for board height and boot overhang.

MiniWebtool’s Steps to Distance Calculator translates a step count into estimated distance. Use a height-based step-length estimate or enter your own, with pace and weight inputs for time and calorie estimates.

MiniWebtool’s Strength Standards Calculator estimates a one-repetition maximum from weight lifted and repetitions. Compare squat, bench press, deadlift, or overhead press results with bodyweight-based reference standards.

MiniWebtool’s Surfboard Volume Calculator suggests a volume range from body weight, skill, and fitness. Compare buoyancy-related measures and matching board types as a starting point for choosing a surfboard.

MiniWebtool’s Swimming Pace Calculator relates swim distance and time to pace per 100 meters. Choose stroke and pool details to review lap splits and estimated times for other swimming distances.

Track stroke efficiency with MiniWebtool’s Swimming SWOLF Calculator. Stroke count, time per length, and pool length produce a SWOLF score, a 25-meter-normalized comparison, distance per stroke, and stroke rate.

Estimate training zones with MiniWebtool’s Target Heart Rate Calculator. Age and resting heart rate feed the Karvonen method, using either an age-based maximum or a known maximum you supply.

MiniWebtool’s TDEE Calculator estimates daily energy use from body measurements, age, activity, and a chosen metabolic formula. Review BMR and calorie targets, with optional body-fat input for formulas that use it.

MiniWebtool’s Triathlon Pace Calculator assembles swim, bike, run, and transition times into a race plan. Choose a standard event or custom distances and supply paces to estimate each leg and the finish time.

Measure jump height from reach values with MiniWebtool’s Vertical Jump Calculator. Standing and jumping reach, or a direct height input, support performance comparisons and formula-based power estimates when body weight is included.

MiniWebtool’s VO2 Max Calculator estimates aerobic capacity from the distance covered in a twelve-minute Cooper run. Age and gender provide reference context and training guidance for the estimated result.

MiniWebtool’s Weight Loss Calculator projects a goal timeline from body measurements, activity, and a calorie-deficit assumption. It updates modeled energy needs as weight changes and compares weekly scenarios; actual progress may differ.

Compare powerlifting totals across bodyweights with MiniWebtool’s Wilks & DOTS Calculator. Enter a total or individual lifts to see Wilks, Wilks-2, and DOTS scores together using the selected sex and units.

Run a sequence with MiniWebtool’s Yoga Pose Hold Timer. Set pose durations, preparation, transitions, and rounds, then follow audio cues and the countdown; body weight supports estimated calories and breath counts.