🔥BMR Calculator

Calculate your Basal Metabolic Rate (BMR) — the calories your body burns at rest — using the Mifflin-St Jeor equation.

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Age

Weight (kg)

Height (cm)

Basal Metabolic Rate

— kcal/day

These are the calories your body burns at complete rest. Multiply by an activity factor (see the Calorie Calculator) for your daily needs.

About BMR

Basal Metabolic Rate (BMR) is the number of calories your body needs to perform basic life-sustaining functions at rest. This calculator uses the Mifflin-St Jeor equation, widely regarded as one of the most accurate for estimating BMR.