Harris-Benedict BMR Calculator
Calculate BMR using the revised Roza-Shizgal 1984 Harris-Benedict equation
Input Parameters
Real-time calculation updates dynamically as you adjust inputs. Values remain strictly local on your device.
Revised Harris-Benedict BMR1984 Revision
1696kcal/day
Roza & Shizgal re-evaluation
Clinical Responsibility Note: This calculation provides statistical estimations for informational and educational purposes only. It is not an individualized medical diagnosis or clinical prescription.
Mathematical Formula & Scientific Methodology
Formula: Revised Harris-Benedict (1984)
Men: 88.362 + 13.397W + 4.799H - 5.677A | Women: 447.593 + 9.247W + 3.098H - 4.330AUpdated version of the 1918 Carnegie Institution research protocol.
Model Assumptions
- Adult subjects
Variables & Standard Units
| Symbol | Physiological Meaning | Unit |
|---|---|---|
| W | Weight (kg) | dimensionless |
| H | Height (cm) | dimensionless |
| A | Age (years) | dimensionless |
Scientific Limitations
- Can slightly overestimate BMR in individuals with high body fat percentage
Peer-Reviewed Scientific Citations
The Harris Benedict equation reevaluated: resting energy requirements and the body cell mass (1984)
Roza AM, Shizgal HM (1984) — The American Journal of Clinical Nutrition, 40(1), 168-182
Key Finding: Revised coefficients for the classical Harris-Benedict formula adjusting for modern anthropometric datasets.
Frequently Asked Questions
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