BMR calculator
Find your basal metabolic rate, the calories your body burns at rest.
About this calculator
Your BMR is the energy your body needs just to stay alive, such as breathing and keeping warm. The calculator uses the Mifflin-St Jeor equation, which is considered one of the most reliable for adults.
To find your total daily burn, use the calorie calculator, which adds your activity.
Common questions
What is BMR?
Basal metabolic rate is the number of calories you would burn lying still all day.
Does BMR change?
It falls slowly with age and rises with more muscle.
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