BMI Calculator
Calculate Body Mass Index with metric or imperial units, category, and healthy weight range.
Ideal Weight Calculator
Compare Robinson, Devine, Miller, and Hamwi ideal body weight formulas.
Introduction
Ideal body weight (IBW) formulas estimate a reference weight from height and sex. Clinicians historically used Devine, Robinson, Miller, and Hamwi equations. This calculator shows all four plus an average and a BMI-based healthy range so you can compare approaches.
Benefits
- Multi-formula comparison
- Healthy BMI band included
Educational wellness tool only — not medical advice. Consult a qualified healthcare professional for personal decisions.
How It Works
- Select sex
- Enter height in cm
- Compare formula results and healthy BMI range
Formula Used
Robinson, Devine, Miller, and Hamwi IBW formulas
Examples
Example: Female, 165 cm → Devine ≈ 57 kg; healthy BMI range often ~50–68 kg.
Frequently Asked Questions
Which ideal weight formula is best?
There is no single best formula; comparing several and the BMI range is more useful.
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