Ideal Weight Calculator
Comparative analysis across Devine, Robinson, Miller, and Hamwi equations
Average across 4 established clinical equations (~154 lbs)
Formula Breakdown (kg vs lb)
Standard in clinical drug clearance
Updated 1983 empirical coefficients
Frequently used in dietetics
Rule of thumb clinical guideline
Mathematical Formula & Scientific Methodology
Formula: Classical Ideal Body Weight (IBW) Equations
Devine: Men: 50 + 2.3 × (Inches > 60), Women: 45.5 + 2.3 × (Inches > 60)Developed primarily by Dr. Ben Devine in 1974 to standardize medicinal dosages for drugs that do not distribute into adipose tissue.
Model Assumptions
- Applies to adult statures of at least 5 feet (152.4 cm)
Variables & Standard Units
| Symbol | Physiological Meaning | Unit |
|---|---|---|
| Inches > 60 | Stature exceeding 5 feet (60 inches) | inches |
Scientific Limitations
- Does not account for bone frame size or substantial muscular development
Peer-Reviewed Scientific Citations
Obesity: preventing and managing the global epidemic. Report of a WHO consultation (2000)
World Health Organization (2000) — WHO Technical Report Series, 894, 1-253
Key Finding: Standard international adult BMI classifications: Underweight (<18.5), Normal (18.5-24.9), Overweight (25.0-29.9), Obesity Class I (30.0-34.9), Class II (35.0-39.9), Class III (>=40.0).
Frequently Asked Questions
Related Calculators & Next Steps
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