Fitness calculators

Quick calculators for training. Every result is an estimate, not medical advice.

1RM calculator
Estimate the most you could lift once, from a weight you lifted for several reps.
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BMI calculator
Body Mass Index from your weight and height, with both international and Asian cut-offs.
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Calorie calculator
Estimate your daily calories (BMR and TDEE) with the Mifflin–St Jeor formula.
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Macro calculator
Split your daily calories into protein, fat and carbohydrate ranges.
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Plate calculator
Which plates to put on each side of the bar to reach a target weight.
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Training volume calculator
Add up the total weight you lifted (sets × weight × reps).
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This is an estimate for general information only, not medical advice. Your inputs are not saved.