Fitness
Free fitness calculators for calories burned, one-rep max, running pace, TDEE, body fat and training targets — fast and private.
12 tools
TDEE Calculator
Estimate your daily calorie needs from BMR and activity level.
Fitness
Body Fat Percentage Calculator
Estimate your body fat percentage with the U.S. Navy circumference method.
Fitness
Ideal Weight Calculator
Find your ideal body weight from four classic formulas plus a healthy BMI range.
Fitness
Running Pace Calculator
Work out your running pace and speed from a distance and time.
Fitness
Calories Burned Calculator
Estimate the calories you burn during an activity from its intensity and your weight.
Fitness
One Rep Max Calculator
Estimate your one-rep max from a weight and the reps you can lift.
Fitness
Target Heart Rate Calculator
Find your maximum heart rate and training zones in beats per minute.
Fitness
VO2 Max Calculator
Estimate your VO2 max from a Cooper run test or resting heart rate.
Fitness
Steps to Miles Calculator
Convert a step count into miles and kilometres.
Fitness
Race Time Predictor
Predict your race time at a new distance from a known result.
Fitness
Barbell Plate Calculator
Work out which plates to load on each side of the bar for a target weight.
Fitness
Wilks Calculator
Calculate your Wilks score to compare powerlifting totals across bodyweights.
Fitness
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