Harris–Benedict Calculator
Estimate adult resting energy with the Roza–Shizgal revision, excluding activity.
Formula
Men: 88.362+13.397×kg+4.799×cm−5.677×age; women: 447.593+9.247×kg+3.098×cm−4.330×age.
Weight: 154 lb · Height: 69 in · Resting energy ≈ 447.593+9.247×(154 lb × 0.45359237 kg/lb)+309.8×(69 in × 0.0254 m/in)-4.33×(30)
How to use
- Enter weight and height.
- Set age and equation sex.
- Read resting kcal/day.
Examples
- 70 kg, 175 cm, male, age 30: about 1,696 kcal/day.
Frequently asked questions
Which version?
The 1984 Roza–Shizgal revision of Harris–Benedict.
Is this daily intake?
No. It excludes activity, pregnancy and lactation; measured needs can differ.
Is this medical advice?
For reference only; it does not replace a clinician.
Sources
Updated: