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Metabolic rate calculator
Compare popular BMR formulas side by side, then see TDEE for your activity level.
Optional body fat % unlocks Katch–McArdle. Useful when refining calorie targets beyond a single formula.
Average BMR
1,651 kcal
Mifflin–St Jeor, Harris–Benedict, and Katch–McArdle when body fat is set.
- Mifflin BMR
- 1,649 kcal
- Harris–Benedict BMR
- 1,696 kcal
- Katch–McArdle BMR
- 1,610 kcal
- TDEE (Mifflin)
- 2,556 kcal
- TDEE (Harris)
- 2,628 kcal
- TDEE (Katch)
- 2,495 kcal
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