Ideal Weight Calculator - Devine, Robinson, Miller & Hamwi Formulas
Calculate your ideal body weight (IBW) using consensus clinical formulas (Devine, Robinson, Miller, Hamwi) and healthy BMI bounds. 100% private in-browser health cockpit.
This cockpit calculates theoretical Ideal Body Weight (IBW) based on peer-reviewed clinical equations (Devine 1974, Robinson 1983, Miller 1983, Hamwi 1964). These formulas provide standardized anthropometric references for hospital pharmacokinetics (renal clearance, aminoglycoside dosing, ICU ARDSNet mechanical ventilation tidal volume) and population nutritional benchmarks. They do not constitute formal medical diagnoses. Muscular athletes and individuals with unique body compositions should consult licensed healthcare providers.
| Formula & Origin | Clinical Equation | Raw IBW | Frame Adjusted (medium) | Variance vs Mean |
|---|---|---|---|---|
Devine Formula Dr. Ben J. Devine (1974) | 50.0 kg + 2.3 kg/inch > 5ft | 73.2 kg | 73.2 kg | +0.7 kg |
Robinson Formula Dr. J.D. Robinson (1983) | 52.0 kg + 1.9 kg/inch > 5ft | 71.1 kg | 71.1 kg | -1.3 kg |
Miller Formula Dr. D.R. Miller (1983) | 56.2 kg + 1.41 kg/inch > 5ft | 70.4 kg | 70.4 kg | -2.1 kg |
Hamwi Formula Dr. George J. Hamwi (1964) | 48.0 kg + 2.7 kg/inch > 5ft | 75.2 kg | 75.2 kg | +2.7 kg |
| Unified Consensus Average | Blended average across all 4 formulas | - | 72.5 kg | 0.0 (Reference) |
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