Ideal Weight Calculator
See your ideal weight range from four formulas.
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in
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0 - 0 lbs
Ideal weight range across all formulas
- Devine (1974) --
- Robinson (1983) --
- Miller (1983) --
- Hamwi (1964) --
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Frequently Asked Questions
Why does this calculator show four different results? +
Each formula was developed by a different researcher using different population data. No single formula is universally correct. The range across all four gives you a more realistic target window rather than one exact number.
Which ideal weight formula is most accurate? +
The Devine formula is the most commonly used in clinical settings, particularly for drug dosing. For general fitness goals, the average of all four formulas provides a reasonable target. Individual factors like muscle mass and frame size matter too.
Do these formulas account for body frame size? +
These formulas use height and gender only. They do not account for frame size, muscle mass, or body composition. People with larger frames or more muscle may have a healthy weight above the calculated range.
Are ideal weight formulas valid for all heights? +
These formulas were designed for adults 5 feet (152 cm) and taller. Results become less reliable for very short or very tall individuals. They also should not be used for children or adolescents.
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