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BMR Calculator : Basal Metabolic Rate & Resting Caloric Burn

Your Basal Metabolic Rate (BMR) is the amount of energy (calories) expended while resting in a neutrally temperate environment.

Interactive Calculator

100% Client-Side Engine
yrs
cm
kg
Basal Metabolic Rate (BMR - Mifflin-St Jeor)
1,679 Calories / day
Harris-Benedict estimate: 1,734 kcal/day
Daily Maintenance
2,602 kcal
Weight Loss (-0.5 kg/wk)
2,102 kcal
Weight Gain (+0.5 kg/wk)
3,102 kcal

How to Use This Tool

  1. Select biological gender and enter age.
  2. Input height and weight.
  3. Select your typical weekly activity level.
  4. Click Calculate to see baseline resting metabolism and maintenance calories.