BMR and TDEE Calculator
Calculate your basal metabolic rate and compare results across the Mifflin-St Jeor, Harris-Benedict, and Katch-McArdle formulas.
BMR Calculator - Basal Metabolic Rate
Macro Split
Frequently Asked Questions
BMR (Basal Metabolic Rate) is the number of calories your body needs at complete rest to maintain vital functions like breathing and circulation. It forms the foundation for calculating your total calorie needs.
The Mifflin-St Jeor equation is considered the most accurate for most people according to the American Dietetic Association. If you know your body fat percentage, the Katch-McArdle formula may be even more precise.
Yes. Building lean muscle mass through strength training is the most effective way to raise your BMR. Each pound of muscle burns roughly 6 calories per day at rest, compared to 2 calories per pound of fat.