Lean Mass Resting Metabolism Calculator

Given my lean mass percentage, what is my resting metabolism (or how many calories would I burn each day even if I didn't move a muscle)?

If you know your lean body mass, this calculator uses the formula developed by Katch and McArdle to give you a very good estimate of your resting metabolism (RMR) (also known as basal metabolism or BMR), which is the minimum calories you burn each day for your body to keep everything functioning.

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