TDEE & BMR Calculator — Daily Calorie Needs

Your metabolism isn't a mystery. These formulas decode it.

Age

years

Weight

Height

Body fat % optional — enables Katch-McArdle

Use the Body Composition Calculator to estimate your body fat percentage.

Activity level

The real way to find your TDEE

Your TDEE is a starting point, not gospel. Track your actual intake and weight for 2–3 weeks. If your weight stays stable, you've found your real TDEE — regardless of what any formula says.