Fitness & Performance
Calculators.

Free precision tools — no signup, no ads.

0 Tools

TDEE Calculator

Find your Total Daily Energy Expenditure for weight management

total daily energy expenditurecaloriesmaintenance
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Heart Rate Zones

Find your training heart rate zones for cardio fitness

cardiotrainingexercise
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Pace Calculator

Calculate running or walking pace, speed, and finish time

runningspeedmarathon
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One Rep Max Calculator

Estimate your one-rep max from submaximal lifts

1rmone rep maxstrength
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Army Body Fat Calculator

Calculate body fat using U.S. Army tape test standards

army body fatdodneck waist method
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Steps to Calories

Convert daily step count into calories burned

stepscalorieswalking
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Calories Burned Calculator

Estimate calories burned for 100+ activities using MET values, body weight, and duration

calories burnedMETactivity
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VO2 Max Calculator

Estimate your VO2 max aerobic fitness level

vo2 maxaerobic capacitycardio fitness
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Cycling FTP Calculator

Calculate your cycling FTP and power training zones

ftpfunctional threshold powercycling
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FFMI Calculator

Calculate fat-free mass index to assess muscle development

ffmifat free mass indexlean mass
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Hydration Calculator

Personalized fluid intake, electrolyte needs, and drinking schedules for athletes

hydrationathlete hydrationsweat rate
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Cycling Power-to-Weight Ratio

Calculate cycling watts per kg and FTP performance

cycling powerwatts per kgw/kg
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Swim Pace Calculator

Calculate swim pace per 100m and predict finish times

swim paceswimming paceper 100m
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Wilks Score Calculator

Calculate Wilks and DOTS scores for powerlifting

wilks scorepowerliftingwilks coefficient
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← All Health & Fitness Calculators