Metabolic rate calculator Basale and active metabolic rate calculator age (years) weight (kg) length (m) method HarrisBenedictRev MifflinStJeor gender male female activity sedentary, little or no excercise ligthly active, exercise 1-3 days/week moderately active, exercise 3-5 days/week active, exercise 6-7 days/week very active, hard exercise 6-7 days/week Calculate Result calories per day