Calculate your basal metabolic rate — the calories your body burns at rest — using the Mifflin-St Jeor and Harris-Benedict formulas, plus daily calories at each activity level.
How to use BMR Calculator
Pick your gender and units.
Enter your age, height, and weight.
See your BMR and TDEE at each activity level.
Frequently asked questions
What is the difference between BMR and TDEE?
BMR is calories burned at complete rest; TDEE (total daily energy expenditure) multiplies BMR by an activity factor to estimate the calories you burn in a typical day.