The energy cost of an activity can be measured in units called METS, which are multiples of your basal metabolic rate.
Basal Metabolic Rate
Basal metabolic rate (BMR) is "the energy required for essential physiological functioning after 8 hours sleep and 12 hours fasting" - the number of calories to keep your body functioning whilst at rest. Your BMR (Calories/day) can be estimated by multiplying your weight in pounds by ten for women and eleven for men e.g. a 150lb man has a BMR of 69 Calories/hour (150 × 11 ÷ 24).
Estimate of your BMR
To determine your BMR enter your weight in pounds, select your gender and then select the Calculate button.
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