BMR Calculator

Calculate your Basal Metabolic Rate (BMR) using proven formulas like Mifflin-St Jeor and Harris-Benedict. Get detailed analysis of daily calorie needs based on your activity level and health goals.

BMR Calculator

ages 15 - 80

feet
inches
pounds

Frequently Asked Questions

BMR Formulas Used

Mifflin-St Jeor Equation:

Men: BMR = 10W + 6.25H - 5A + 5

Women: BMR = 10W + 6.25H - 5A - 161

Revised Harris-Benedict Equation:

Men: BMR = 13.397W + 4.799H - 5.677A + 88.362

Women: BMR = 9.247W + 3.098H - 4.330A + 447.593

Katch-McArdle Formula:

BMR = 370 + 21.6(1 - F)W

Where: W = weight in kg, H = height in cm, A = age in years, F = body fat percentage