BMR Calculator
Basal metabolic rate uses the Mifflin-St Jeor equation with weight, height, age, and sex to estimate resting energy needs.
This calculator is free to use. Enable JavaScript to enter your values and see a result instantly.
How it works
Basal metabolic rate uses the Mifflin-St Jeor equation with weight, height, age, and sex to estimate resting energy needs.
Worked example
The result is an estimated number of calories your body uses in a day at rest, before physical activity.
Keep in mind
Individual metabolism varies. Use the number as an estimate, not a medical measurement.