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- Choose your units.
- Select your sex and enter your height.
- Compare the formula results with the healthy BMI range. They are reference points, not targets everyone must hit.
Formel
Each formula starts from a base weight at 5 feet (152.4 cm) and adds a fixed amount per inch above that height.
Devine (1974): men 50 kg + 2.3 kg/in; women 45.5 kg + 2.3 kg/in
Robinson (1983): men 52 + 1.9; women 49 + 1.7
Miller (1983): men 56.2 + 1.41; women 53.1 + 1.36
Hamwi (1964): men 48 + 2.7; women 45.5 + 2.2
Example
- Man, 175 cm = 68.9 in, i.e. 8.9 in over 5 ft.
- Devine: 50 + 2.3 × 8.9 ≈ 70.5 kg.
- Healthy BMI range at 175 cm: 56.7–76.3 kg.
Häufige Fragen
Why do the formulas differ?
They were developed for different purposes (Devine for medication dosing, for example) from different populations. Their spread shows there is no single ideal weight.
Do these formulas account for muscle or frame size?
No. Athletes and people with a larger frame can be healthy well above these values. Body composition matters more than a single number.
Are they valid for short heights?
The formulas were designed for heights above 5 feet. Below that, results are extrapolated and less reliable.