Ideal Weight Calculator
Estimate a target weight range from height using the Devine formula.
Recommended next steps
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Compute body mass index from height and weight.
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Estimate body surface area (BSA) from height and weight using Du Bois.
Frequently asked questions
It uses the Devine formula: 50 kg + 0.9 × (height in cm − 152.4) for males and 45.5 kg + 0.9 × (height in cm − 152.4) for females. Below 152.4 cm the result is clamped to zero because the formula was not designed for that range.
The healthy range is derived from BMI 18.5 to 24.9 at your height. Devine gives one single number, while the BMI range shows a span. They use different methods, so they can disagree.
No. Both Devine and BMI-based ranges are rough population references that ignore muscle mass, age, and body composition. Treat them as a starting point, not a goal.
Last updated 2026-06-03.