Male Female Sex
Pounds Kilograms Weight
Inches Centimeters% Body Fat HT or BF
Total (24 hrs)
Fill first column with age in years, weight, and height (inches or centimeters) or percent body fat (eg: 21.2); select appropriate menu options. Fill the number of hours spent on respected activity levels considering the example activities below. Decimal values are allowed (e.g. 2.5, 0.25). The total must equal 24 hours; "Total" is not a required entry. Use weighted average values since activity levels probably vary from day to day. Keep in mind, most people over estimate their activity level. Click "Calculate" when complete.
Basal Energy Expenditure (BMR) calculated using the Harris Benedict Equation (Height, Weight, and Sex) or Katch-McArdle (Weight and Body Fat).
Harris J, Benedict F. A biometric study of basal metabolism in man. Washington D.C. Carnegie Institute of Washington. 1919.
Katch, Frank, Katch, Victor, McArdle, William. Exercise Physiology: Energy, Nutrition, and Human Performance, 4th edition. Williams & Wilkins, 1996.
Activity levels based on values reported by WHO (1985) and Durnin and Passmore (1967).