BMR Calculator

Basal Metabolic Rate (Mifflin-St Jeor)

Weight (kg)

Height (cm)

Age

Sex

About this tool

Calculate your BMR (Basal Metabolic Rate) with the Mifflin-St Jeor formula. Find out how many calories your body burns at rest, plus basic reference macros.

Completely free, no sign-up, 100% online. Use it as many times as you like.