Ideal Weight Calculator: The Complete Guide
See an estimate of your ideal body weight for your height. Enter your sex and height to get figures from the well-known Devine and Robinson formulas in your preferred units.
Who the Ideal Weight Calculator is for
People setting a target weight who want a height-based reference figure.
How to use the Ideal Weight Calculator
- Type your values into the fields above — pick your currency or units where the calculator offers them.
- Results update automatically as you type; there's no submit button and nothing is sent to a server.
- Adjust any input to compare scenarios, then copy the result with a single click.
How it works
Devine: 50 kg (men) or 45.5 kg (women) + 2.3 kg for every inch over 5 feet. The Robinson formula uses slightly different constants and is shown alongside for comparison.
Features
- Devine & Robinson formulas
- Metric or imperial
- Male & female
- Instant result
About 'ideal' weight
Ideal body weight formulas were originally designed for medication dosing, then adopted as general targets. They give a single reference number from height and sex, but real healthy weight is a range that depends on muscle, frame, and body composition. Use these as a guidepost, not an absolute goal.