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How to Figure Your Metabolic Rate

By: Nancy Snyderman, M.D.


sot/getty images

For women:

655 + (4.36 × your weight in pounds) + (4.32 × your height in inches) −
(4.7 × your age) =BMR

I did the math for a thirty-year-old woman who is 5 foot 6 inches tall and weighs
140 pounds.

BMR (equals) 655+ 609+ 310.2 − 141. Her BMR is 1433.2.


p. dazeley/getty images

For men:

66+ (6.22 × your weight in pounds) + (12.7 × your height in inches) −
(6.8× your age) =BMR

I did the calculations for a thirty-year-old man who is 6 feet tall and weighs 175

BMR (equals) 66+ 1090.25+ 914.4 − 204. His BMR is 1866.65.

Once you know your BMR, factor in your activity level to figure out the exact
calories you need daily to maintain your weight.

  1. If you are sedentary (little or no exercise), you multiply your BMR by 1.2.

  2. If you are lightly active (light exercise/sports 1 to 3 days/week), you multiply
    your BMR by 1.375.

  3. If you are moderately active (moderate exercise/sports 3 to 5 days/week),
    you multiply your BMR by 1.55.

  4. If you are very active (hard exercise/sports 6 to 7 days a week), you multiply
    your BMR by 1.725.

  5. If you are extra active (very hard exercise/sports plus a physical job or training
    twice a day), you multiply your BMR by 1.9.

Excerpted from:
 by Nancy Snyderman, M.D.
© 2009, Crown.



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Copyright (c) 2000-2009 iVision Inc. All rights reserved. The information provided on this site is intended for your general knowledge only and is not a substitute for professional medical advice or treatment for specific medical conditions. You should not use this information to diagnose or treat a health problem or disease without consulting with a qualified healthcare provider. Please consult your healthcare provider with any questions or concerns you may have regarding your condition.