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Simple Resting Metabolism Calculator

What is my resting metabolism (or how many calories would I burn each day even if I didn't move a muscle)?

Your resting metabolism (RMR) (also known as basal metabolism or BRM) is the minimum calories you burn each day for your body to keep everything functioning. The simplest RMR formula, used by this calculator, requires just gender and weight. This formula was developed by Dr. Fred Hatfield of the International Sports Sciences Association and is fairly accurate if your body fat is in the normal range (14-19% for men, 20-25% for women). If your body fat is substantially higher than normal, this formula will overestimate your RMR.

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Steph   Allyson, the simple and advanced are terms used to identify the type of calculator. - 10/8/2011 8:22:08 AM

Allyson   Im confused here, can you please explain, the difference between - Simple Resting Metbolism and Advance Resting Mebolism, Please help! thank you. Ally - 5/15/2010 2:09:47 PM

giordana basta   What to do with my metabolism ? I m 5 ' 6 , 78 kg , 44 years. What to do ? Try everething. - 10/28/2009 2:16:09 PM


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GenderSelect your gender.

WeightYour current scale weight.

Output Fields

Resting MetabolismResting Metabolism (RMR) (also known as Basal Metabolism or BMR) is the minimum calories your body needs each day just to perform its most basic functions.

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