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Ideal Weight Calculator

Estimate ideal body weight from height using the Devine formula.

How this is calculated
Devine formula: men 50 kg + 2.3 kg per inch over 5 ft; women 45.5 kg + 2.3 kg per inch over 5 ft

Assumptions used in this calculation

  • Minimum height: The formula is undefined below 5 feet (152.4 cm) and this calculator does not support heights below that.

About this calculator

The ideal weight calculator estimates a healthy target body weight from height using the Devine formula (1974), the most widely used ideal-body-weight estimate in clinical practice, along with a ±10% healthy range.

Worked example

Male, 175 cm

Result: Ideal weight ≈ 70.5 kg (healthy range 63.5–77.6 kg)

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