Fitness Calculator

Calorie Calculator

Estimates your daily calorie needs from your stats and activity, with targets for losing or gaining.

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How this calculator works

Basal metabolic rate uses the Mifflin-St Jeor equation (the most accurate general-population BMR formula per the American Dietetic Association), multiplied by a standard activity factor. Loss/gain targets shift intake by 250-500 kcal/day.

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