Fitness Calculators

Free calculators for calories, body composition, nutrition and strength.

Calorie Calculator

Estimate your daily calorie needs based on your body data and activity level.

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TDEE Calculator

Estimate your Total Daily Energy Expenditure using the Mifflin-St Jeor equation.

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BMR Calculator

Estimate your Basal Metabolic Rate using the Mifflin-St Jeor equation.

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Calorie Deficit Calculator

Estimate a daily calorie target using a chosen deficit.

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Macro Calculator

Get a simple estimate for protein, fat and carbohydrate targets.

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Protein Calculator

Estimate daily protein needs from body weight and goal.

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Body Fat Calculator

Estimate body fat percentage using the U.S. Navy circumference method.

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Maintenance Calorie Calculator

Estimate the calories you may need to maintain your current weight.

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1RM Calculator

Estimate your one-repetition maximum from a lift and repetitions.

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