RMR Calculator

Calculate your Resting Metabolic Rate — the calories your body burns while at rest during everyday life.

Units

Metric (kg / cm) Imperial (lb / ft-in)

Sex

Male Female

Used because typical body composition affects the calculation — not a statement about identity.

Age

yrs

Weight

Height

Height (ft)

Height (in)

Body fat % (optional — unlocks lean-mass based formulas)

Formula

Activity level

Resting Metabolic Rate

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Estimated daily calories by activity level

This is a general estimate, not medical advice — actual metabolic rate varies by individual and is best confirmed with indirect calorimetry testing.