Free Online Calculators

Ideal Weight Calculator

Estimate body weight from height and gender using four historical formulas.

Calculator
⚖️ Formula-based weight (average)
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Devine Formula—
Robinson Formula—
Miller Formula—
Hamwi Formula—
Average—

Ideal Weight Formulas

Devine (1974), Robinson (1983), Miller (1983) and Hamwi (1964) are historical height-based formulas. They were not derived as health targets, they give different answers, and they add weight per inch above 5 feet (so they are not meaningful for heights under 152 cm). The average is just the mean of the four. For a healthy range, use the Healthy Weight or BMI calculator. Healthy weight depends on muscle mass, bone, age and other factors.

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