Ideal Weight Calculator
Estimate a healthy target weight using four widely used clinical formulas — Devine, Robinson, Miller, and Hamwi.
Enter your details
Your results
- Devine
- 56.9 kg
- Robinson
- 57.4 kg
- Miller
- 59.8 kg
- Hamwi
- 56.4 kg
Ideal weight formulas give a reasonable starting target, but a 5-10% range above or below is also considered healthy.
What Does 'Ideal Weight' Really Mean?
Ideal weight formulas were originally developed for medication dosing, not body image. They estimate the average weight of a healthy person of your height and sex.
Your personal healthy weight depends on body composition, muscle mass, and overall health markers — not just a number.
When to Use This Calculator
- •To set a realistic weight loss or gain target.
- •To check whether your current weight is far from a healthy range.
- •As one input among several — BMI, body fat, waist, and lab results matter too.
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Frequently Asked Questions
Which formula is most accurate?
All four are validated. Devine and Robinson are most commonly used in clinical settings.
What if I'm muscular?
Ideal weight formulas don't account for muscle. Lifters and athletes can be heavier than the formula suggests and still be healthy.