🔥 Harris–Benedict BEE / BMR (1984)
UseNutrition teaching and a rough resting-energy estimate. Indirect calorimetry is better in the ICU.
Stratakcal/day estimates only — not a weight-loss prescription. Obesity, oedema, amputation and thyroid disease inc…
LimitsCritical illness: prefer calorimetry or ICU equations. · Activity factors are subjective. · Actual weight can overestimate in oedema/obesity.
SourceHarris JA, Benedict FG. A Biometric Study of Basal Metabolism in Man. Carnegie Institution 1919
This-shift next steps
After scoring: open the scene pack, peer scores, and the matching pathway. Local reference — no HIS write.
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Methodology · worked example, guidelines & full notes
Roza/Shizgal 1984 coefficients.
When to use
Nutrition teaching and a rough resting-energy estimate. Indirect calorimetry is better in the ICU.
How it works
Male BEE = 88.362 + 13.397W + 4.799H − 5.677A Female BEE = 447.593 + 9.247W + 3.098H − 4.330A (W kg, H cm, A years). TEE ≈ BEE × activity factor.
Key points
- Roza/Shizgal 1984 coefficients.
- Optional ×1.2–1.9 activity factor.
- Not a diet prescription.
References
- Harris JA, Benedict FG. A Biometric Study of Basal Metabolism in Man. Carnegie Institution 1919
- Roza AM, Shizgal HM. The Harris Benedict equation reevaluated: resting energy requirements and the body cell mass. Am J Clin Nutr 1984;40:168-182
Worked calculation
The values below come from this tool's own example placeholders and are computed server-side with the formula shown on this page, so the arithmetic can be checked quickly. It demonstrates how to substitute values only — it is not clinical advice and not a real case.
| Sex | Male |
|---|---|
| Weight | 70 kg |
| Height | 170 cm |
| Age | 40 years |
| Activity factor (optional) | Light ×1.375 |
→Estimated TEE2220kcal/day
- Activity factor：×1.375
- Estimated TEE：2220 kcal/day
- BEE：1615 kcal/day
| Sex | Male |
|---|---|
| Weight | 70 kg |
| Height | 170 cm |
| Age | 40 years |
| Activity factor (optional) | BEE only (×1.0) |
→BEE1615kcal/day
- BEE：1615 kcal/day
Verification & sources · governance
FAQ
Frequently asked questions
- Does Harris–Benedict BEE / BMR (1984) upload patient data? Where is it calculated?
- Calculation runs locally in the browser; inputs and results are not uploaded. For licensed clinicians only; interpret with history, investigations and local protocols — not a diagnosis or prescription.
- How is Harris–Benedict BEE / BMR (1984) calculated in practice? Can you show a worked example?
- Inputs: Sex Male, Weight 70 kg, Height 170 cm, Age 40 years, Activity factor (optional) Light ×1.375 → Result: Estimated TEE 2220 kcal/day（Activity factor: ×1.375, Estimated TEE: 2220 kcal/day, BEE: 1615 kcal/day） Inputs: Sex Male, Weight 70 kg, Height 170 cm, Age 40 years, Activity factor (optional) BEE only (×1.0) → Result: BEE 1615 kcal/day（BEE: 1615 kcal/day）