Waist-to-Height Ratio Calculator
Fill in the values and the answer updates as you type.
How the Waist-to-Height Ratio Calculator works
Ratio = waist ÷ height, using the same unit for both. A common rule of thumb is to keep your waist below half your height. It is a screening tool, not a diagnosis; talk to a doctor about your own health.
Inputs and results
The Waist-to-Height Ratio Calculator takes 2 inputs and gives 3 results.
What you enter
- Waist circumference (cm) — starts at 82.
- Height (cm) — starts at 175.
What you get
- Waist-to-height ratio
- Range
- Waist size for a ratio of 0.5
Example: Waist-to-Height Ratio Calculator with the starting values
With waist circumference 82 cm and height 175 cm, the calculator returns:
| Waist-to-height ratio | 0.47 |
|---|---|
| Range | 0.4 to 0.49 (healthy range) |
| Waist size for a ratio of 0.5 | 87.5 |
Change any value above and the results update straight away.
Waist-to-Height Ratio Calculator FAQ
How do I use the Waist-to-Height Ratio Calculator?
Enter waist circumference and height in the fields, then read waist-to-height ratio, range and waist size for a ratio of 0.5 in the result panel. The answer updates as you type, and you can press Calculate or Enter to refresh it. Use “Copy link” to share your exact numbers with someone else.
What does the Waist-to-Height Ratio Calculator calculate?
Check central body fat with a simple waist-to-height ratio. It returns waist-to-height ratio, range and waist size for a ratio of 0.5 from the 2 values you provide.
What values does the Waist-to-Height Ratio Calculator start with?
It opens with waist circumference 82 cm and height 175 cm so you can see a working result straight away. Replace them with your own numbers, or press Reset to return to these starting values.
Is the Waist-to-Height Ratio Calculator free and private?
Yes. It is free, needs no account, and runs in your browser, so nothing you type is sent to or stored on our servers. See the Privacy Policy for details.
Can I rely on the Waist-to-Height Ratio Calculator for medical or health decisions?
Treat the result as a well-rounded estimate. Real situations often have details a general calculator cannot know, so confirm medical or health decisions with a qualified professional. See the Disclaimer for more.