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TDEE Calculator

Total daily energy expenditure, using the Mifflin-St Jeor formula, at every activity level side by side — so you can see how much moving more actually changes.

Basal metabolic rate (BMR): kcal/day — what you'd burn at total rest.

Want your calorie target to move automatically as your training changes week to week? See FittyBitty Everything.

Estimates only, not medical advice. Consult a professional before making significant changes to your diet.