Calculators > Weight Calculators

Basal Metabolic Rate (BMR) Calculator

Calculate your Basal Metabolic Rate, which indicates how many calories your body would use up if you did absolutely nothing but lie in bed all day! Using BMR along with Harris-Benedict's equation, see approximately how many calories you need per day to maintain your weight.

Member? Login and your tracker and prefs data will fill in automatically.

Feet, Inches
years old
Activity Level: Select your activity level if you also want to calculate an estimate of your daily calorie requirements based on your BMR (using the Harris-Benedict principle).