Find a healthy weight range for your height in seconds. Enter your height and sex to get an ideal weight estimate based on the Devine formula — free, instant and with no sign-up needed.
These figures are general estimates only and are not medical advice.
How to Use
- Enter your height in centimetres.
- Select your sex.
- Click Calculate Ideal Weight to see your estimate and healthy range.
- Press Clear to start over.
Key Features
- Ideal weight estimate using the widely used Devine formula.
- Healthy range shown with every result.
- Metric inputs with sensible validation.
- General estimates only — this tool is not medical advice.
- 100% private — everything is calculated in your browser.
FAQs
Is this ideal weight calculator free?
Yes. It is completely free with no sign-up and no limits.
How is ideal weight calculated?
It uses the Devine formula: a base of 50 kg for men or 45.5 kg for women, plus 2.3 kg for every inch of height over 5 feet.
Is this medical advice?
No. The results are general estimates only and are not medical advice. Healthy weight depends on many factors, so speak to a qualified professional for personal guidance.
Is my data stored anywhere?
No. All calculations happen in your browser and nothing you enter is sent or stored.