Bodybuilding.com - Calculate Your Basal Metabolic Rate!

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Did you know?
BMR decreases with age and with the loss of lean body mass.

Basal metabolic rate (BMR) is the amount of energy expended while at rest in a neutrally temperate environment. Find our your BMR with this handy calculator!

Calculate Your Basal Metabolic Rate!

By: Bodybuilding.com

Basal metabolic rate (BMR) is the amount of energy expended while at rest in a neutrally temperate environment, in the post-absorptive state (meaning that the digestive system is inactive, which requires about twelve hours of fasting).

The release of energy in this state is sufficient only for the functioning of the vital organs, such as the heart, lungs, brain and the rest of the nervous system, liver, kidneys, sex organs, muscles and skin. BMR decreases with age and with the loss of lean body mass. Increasing muscle mass increases BMR.