BMR Calculator.
A free BMR (basal metabolic rate) calculator using the Mifflin–St Jeor equation. Enter your age, sex, height and weight to estimate the calories you burn at rest — the foundation of any calorie target.
More health calculators
Deurenberg estimate of body-fat percentage from BMI, age and sex.
Devine, Robinson and Miller formulas for your target weight.
Boer formula for fat-free mass at your height and weight.
Mifflin–St Jeor basal metabolic rate — calories you burn at rest.
Total daily energy expenditure (TDEE) with five activity levels.
The exact calorie target that holds your weight steady.