BMR — Basal Metabolic Rate
The calories your body burns at complete rest, just to keep your organs running.
✓ Reviewed by Dr. Poonam Sekhon Chahal · 24 May 2026
How this is calculated
Mifflin-St Jeor (the most accurate population formula) estimates resting energy from weight, height, age and sex. Harris-Benedict and Katch-McArdle are offered as alternatives.
Sources
This calculator is for educational purposes and is not a substitute for professional medical advice, diagnosis, or treatment. The result is based on standard clinical formulas applied to the values you entered — your individual situation may need adjustments your doctor can make. Never disregard professional medical advice or delay seeking it because of something you read or calculated on healthcalculus.