Ideal Weight Calculator
Estimate a healthy target weight range for your height using several well-known medical formulas side by side.
Average estimate
72.5 kg
73.2 kg
Devine
71.1 kg
Robinson
70.4 kg
Miller
75.2 kg
Hamwi
These formulas give a general reference range, not a medical target — healthy weight also depends on build, muscle mass, and overall health. Consult a healthcare professional for personal advice.
How the Ideal Weight Calculator works
Based on your height and sex, the calculator applies four well-known medical formulas — Devine, Robinson, Miller, and Hamwi — each estimating a reference body weight, then averages them for a single estimate. Switch between kg and lb at any time.
Frequently asked questions
Why do the formulas give different results?
Devine, Robinson, Miller, and Hamwi are separate formulas developed decades apart from different populations — they agree roughly but not exactly, which is why this tool shows all four plus an average.
Are these formulas still considered accurate?
They're widely used as reference points (including in medical dosing calculations), but they don't account for muscle mass, frame size, or body composition — treat the result as a general guide, not a strict target.
Which formula is most commonly used?
The Devine formula, originally created for medication dosing, is the most widely cited and is often used as the default reference.