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Ideal weight formulas estimate a target weight based solely on height and sex. Multiple formulas exist (Robinson, Miller, Devine, Hamwi) and typically give similar but not identical results. No single formula is universally accepted — the "ideal" weight also depends on muscle mass, bone density, and individual health.

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1. 1All formulas start from a base weight at 5 feet (60 inches) height
2. 2Add a fixed amount per inch (or cm) above that base
3. 3Men generally have higher ideal weights than women at the same height
4. 4Results are reference points — BMI 18.5–24.9 often gives a wider healthy range

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