Formula and method
Energy in kcal = MET × 3.5 × weight in kg ÷ 200 × minutes. Subtract one MET to estimate expenditure above rest.
Worked example
A 70 kg adult walking briskly at 4.8 MET for 30 minutes has a model estimate of 176.4 total kcal, including about 139.7 kcal above resting expenditure.