Fitness Calculators - REE Calculator

Your Resting Metabolic Rate, or RMR, is the rate at which you burn energy or calories while at rest. In general, more than half of the calories burned in a day are those used to keep your body functioning. To determine an estimate* of how many calories your body would burn if you did nothing but sleep for 24 hours, enter your information in the spaces provided below.

  • Gender:
  • Age:
  • Your Height:
  • Your Weight:

You should be aware that several factors can affect your Resting Metabolic Rate.

  • A high percentage of lean muscle can increase your RMR.
  • Eating small, regular meals can help to increase your RMR
  • Both pregnancy and living in a cold environment can actually contribute to an increase in your RMR
  • Factors that can decrease your Resting Metabolic Rate are crash dieting, aging, and genetics.

* This calculation is based off of the Harris-Benedict equation for BMR (RMR)