Certified Strength And Conditioning Specialist (CSCS) Exercise Science Practice Test

When calculating energy expenditure using MET, which formula correctly uses MET, body weight, and time?

Energy expenditure = MET × body weight × time Energy expenditure = MET × time Energy expenditure = MET × body weight Energy expenditure = Time × Weight

Correct Answer:

Energy expenditure = MET × body weight × time

Explanation:

MET represents the energy cost of activity relative to resting metabolic rate, and 1 MET is about 1 kcal/kg/hour. To estimate calories burned, you multiply the activity’s MET value by body weight in kilograms and the duration of the activity in hours. So the correct formula is energy expenditure (kcal) = MET × body weight (kg) × time (hours). This accounts for how heavier individuals burn more energy and how longer activity increases total calories. For example, a 70 kg person doing an activity at 6 MET for 0.5 hours would burn 6 × 70 × 0.5 = 210 kcal. The other options omit either weight or time or mix incompatible units, which prevents accurate kcal calculation. If time is given in minutes, convert to hours first (minutes ÷ 60).

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