This ideal weight calculator estimates a reference healthy weight from your height and sex using the Devine formula, a common clinical guideline. Enter your details above.
Formula (Devine)
Men: 50 + 2.3 × (height in inches − 60) kg Women: 45.5 + 2.3 × (height in inches − 60) kg
Example
Man, 70 inches: 50 + 2.3 × 10 = 73 kg (about 161 lb).
This is a rough guideline; healthy weight also depends on frame, muscle, and body composition.
Important
This tool is for general educational purposes only and is not medical advice, diagnosis, or treatment. It does not replace evaluation by a qualified healthcare professional — consult one for any health decision. Last updated: August 2026.
Frequently Asked Questions
How do I calculate ideal body weight?
The Devine formula uses height and sex. For a 70-inch man it gives about 73 kg, but it is only a guideline.
Is ideal weight the same as healthy weight?
Not exactly. Ideal-weight formulas ignore muscle and frame; BMI and body composition give a fuller picture.
Which formula does this use?
The Devine formula, widely used in medicine, especially for drug dosing references.