Ideal Weight Calculator

Estimate your ideal body weight using four well-known formulas: Hamwi, Devine, Robinson, and Miller. Results are based on height and biological sex.

Average Ideal Weight
Hamwi (1964)
Devine (1974)
Robinson (1983)
Miller (1983)

Formulas Used

All formulas use a base weight at 5 feet (60 inches) and add weight per additional inch of height.

Hamwi (1964): Male: 48.0 + 2.7 per inch over 5 ft | Female: 45.5 + 2.2 per inch over 5 ft
Devine (1974): Male: 50.0 + 2.3 per inch over 5 ft | Female: 45.5 + 2.3 per inch over 5 ft
Robinson (1983): Male: 52.0 + 1.9 per inch over 5 ft | Female: 49.0 + 1.7 per inch over 5 ft
Miller (1983): Male: 56.2 + 1.41 per inch over 5 ft | Female: 53.1 + 1.36 per inch over 5 ft

Disclaimer: This calculator is for informational purposes only and is not medical advice. "Ideal weight" varies based on body composition, age, ethnicity, and other factors not captured by height-based formulas. Consult a healthcare professional for personalized guidance.

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Daily calorie needs

Good to Know

These formulas were developed in different decades for different clinical purposes. No single formula is definitively "correct" -- the average of all four provides a reasonable reference range.