Ideal Weight Calculator
Compare four classic ideal-body-weight formulas (Devine, Robinson, Miller, Hamwi) for your height.
Inputs
Formula
- Devine: 50 / 45.5 kg + 2.3 kg per inch over 5 ft
- Robinson, Miller and Hamwi use the same shape with different constants
There is no single ideal weight — these four medical formulas, still used for drug dosing, give a range. Treat the spread as a healthy target zone rather than an exact number, because they ignore muscle mass and frame size.
Step-by-step calculation
- 1
Inches over 5 ft
height/2.54 − 60
7.7
Frequently asked questions
What does the Ideal Weight Calculator do?
Compare four classic ideal-body-weight formulas (Devine, Robinson, Miller, Hamwi) for your height. The Ideal Weight Calculator on OneCalcApp returns the result instantly as you type, together with the formula and the substituted values.
How do I use the Ideal Weight Calculator?
Enter your values in the input fields, choose the relevant units or options, and the Ideal Weight Calculator recalculates automatically. You can copy, print or export the result.
Is the Ideal Weight Calculator free to use?
Yes. The Ideal Weight Calculator is completely free, needs no sign-up and has no usage limit on OneCalcApp.
How accurate is the Ideal Weight Calculator?
It uses the standard formula Devine: 50 / 45.5 kg + 2.3 kg per inch over 5 ft and full double-precision arithmetic, so results match a manual calculation to the displayed number of digits.
Does the Ideal Weight Calculator work on mobile and offline?
Yes. The Ideal Weight Calculator runs entirely in your browser on phones, tablets and desktops, and your inputs never leave your device.
Where can I find related tools?
OneCalcApp hosts 300+ calculators and converters, including the full Health collection. Related tools are linked at the bottom of every page.
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