| Age in years | |
| Weight | |
| unit | kg lb |
| Height | |
| unit | in cm |
| Patient Gender | Male Female |
| Activity Level | Sedentary (little or no exercise) Lightly active (Some physical activity 1-3 days/week) Moderately active (Exercise 3-5 days/week) Very active (Exercise 6-7 days/week) Heavy physical training, double training, etc |
This calculation is based upon the Basal Metabolic Rate (BMR) of Harris and Benedict, multiplied by an activity factor.
The resulting value estimates total caloric need to maintain weight given the following factors:
Harris J, Benedict F. A biometric study of basal metabolism in man. Washington D.C. Carnegie Institute of Washington. 1919.