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Estimated healthy weight across common formulas. Individual healthy weight varies with build and muscle.
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Devine
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Robinson
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Miller
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Hamwi
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Healthy BMI range
Frequently Asked Questions
How is ideal body weight calculated?
Classic formulas (Devine, Robinson, Miller, Hamwi) start from a base weight at 152 cm (5 ft) and add a set amount per centimetre above that, differing slightly by gender. We also show the weight range for a healthy BMI of 18.5–24.9.
Which result should I use?
No single number is “correct” — treat the spread as a healthy target range. The BMI-based range is the most widely used for general guidance.
See your ideal body weight from the Devine, Robinson, Miller and Hamwi formulas, plus the healthy weight range for your height.