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Ideal Weight Calculator — find your target

Calculate your ideal body weight range using four proven medical formulas.

Calculate Ideal Weight ↓

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Results shown for four widely-used formulas: Devine, Robinson, Miller, and Hamwi.

average ideal weight (kg)

Results by formula:

Devine
Robinson
Miller
Hamwi

Which formula should you use?

Devine

Most widely used

Developed in 1974, originally for drug dosage calculations. Still the most commonly referenced formula in clinical settings.

Robinson

Updated Devine

A 1983 revision of the Devine formula that produces slightly lower estimates, considered more accurate for most people.

Miller

Lower estimates

Tends to give the lowest estimates among the four formulas.

Hamwi

Frame-based

The Hamwi formula is often used as a starting point, with adjustments for frame size.

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