Ideal Weight Calculator

See ideal body weight by four common formulas, and the healthy BMI weight range, for your height.

Units
Fractions and decimals both work.
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Ideal weight
Devine (1974)
Robinson (1983)
Miller (1983)
Hamwi (1964)
Healthy BMI range
Work

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Ideal Body Weight Formulas

FormulaMen (kg)Women (kg)
Devine50 + 2.3 per inch over 5 ft45.5 + 2.3
Robinson52 + 1.949 + 1.7
Miller56.2 + 1.4153.1 + 1.36
Hamwi48 + 2.745.5 + 2.2

Devine’s formula is the one most often used in medicine, for example for drug dosing.

Worked Example

Tips

"Ideal" weight formulas ignore frame size, muscle and age. The BMI healthy range is broader and is a better everyday guide.