Ideal Weight Calculator
Ideal Weight Calculator: free, instant and private. The Devine formula gives a single reference number for drug dosing and clinical use, so it is narrow by design.
How the Ideal Weight Calculator works
The Ideal Weight Calculator takes Height (cm), Sex and returns the answer instantly — no button to hunt for, no page reload. The Devine formula gives a single reference number for drug dosing and clinical use, so it is narrow by design. A healthy range is usually plus or minus 10% of the result.
Enter your own numbers to replace the example values; the result panel updates as you type. Everything runs in this single page, so nothing you enter leaves your device.
Formula used
Ideal weight = base + 2.3 × inches above 5 ft (Devine)
| Symbol | Meaning |
|---|---|
| height | in centimetres |
| sex | base is 50 kg for men, 45.5 kg for women |
The Devine formula gives a single reference number for drug dosing and clinical use, so it is narrow by design. A healthy range is usually plus or minus 10% of the result.
Inputs used: Height (cm), Sex.
Worked example
Take the default example — height (cm) of 170, sex set to Male:
- Ideal weight (kg): 65.94
Frequently asked questions
- What formula does the Ideal Weight Calculator use?
- It uses Ideal weight = base + 2.3 × inches above 5 ft (Devine), where height is the in centimetres; sex is the base is 50 kg for men, 45.5 kg for women.
- Is the Ideal Weight Calculator free?
- Yes. There is no signup, no usage limit and no watermark — the calculator runs entirely in your browser.
- How do I read the result?
- The Devine formula gives a single reference number for drug dosing and clinical use, so it is narrow by design. A healthy range is usually plus or minus 10% of the result.
- Does the Ideal Weight Calculator store or send my data?
- No. Every calculation happens locally in the page, so the numbers you type are never uploaded or logged.
- Does it work on a phone and offline?
- Yes — the page is a single lightweight file that adapts to any screen size. Once it has loaded it keeps working without a network connection.