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Ideal Weight Calculator — Free Online Calculator

Ideal Weight solves Men: 50kg + 2.3kg per inch over 5ft. Women: 45.5kg + 2.3kg per inch over 5ft — the Devine formula — originally developed for medication dosing, now commonly used as a general reference range. Enter your known values and the calculator solves for the rest instantly. All processing happens client-side in your browser, with nothing sent to a server. Free, unlimited, and no registration needed.

How to use Ideal Weight

  1. Enter your known values in the fields.
  2. The result updates instantly as you type.
  3. Copy or note down the result.

Frequently asked questions

What formula does Ideal Weight use?
Men: 50kg + 2.3kg per inch over 5ft. Women: 45.5kg + 2.3kg per inch over 5ft — the Devine formula — originally developed for medication dosing, now commonly used as a general reference range.
Can I use it on my phone?
Yes. The layout adapts to small screens and behaves the same on mobile as on desktop.
Is my input saved anywhere?
No. Values stay in your browser and are gone as soon as you close the tab.

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