BMR Calculator

Calculate your Basal Metabolic Rate — the number of calories your body burns at complete rest. Compare three proven formulas.

Real-time results 100% free No sign-up Mobile friendly

Formulas verified against authoritative sources including the CFPB and Federal Reserve. Last reviewed May 16, 2026. Editorial policy.

Your Details

Age

yrs

Sex

Weight

Height

Formula

BMR Result

Your BMR

1718 kcal

Mifflin-St Jeor

1718 kcal

Harris-Benedict

1777 kcal

Sedentary2061 kcal/day

Lightly active2362 kcal/day

Moderately active2662 kcal/day

Very active2963 kcal/day

Extra active3263 kcal/day

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