Waist-To-Hip Ratio Calculator

Calculate waist-to-hip ratio and compare to general health ranges.

Methodology reviewed 2026-07-27. See our review process.

Formula and method

This calculator uses the values you enter and applies the calculation immediately in your browser. The main output formulas are:

  • Waist-to-hip ratio: waist/hip

Some formulas are undefined for certain input combinations, such as division by zero, equal x-values in a slope calculation, or logarithms of non-positive numbers. In those cases the live tool reports that the result is undefined instead of displaying Infinity or NaN.

Examples

  • Example: with Waist = 80 cm, Hip = 100 cm, this calculator returns Waist-to-hip ratio = 0.8.
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  • Try related health & fitness tools when your next step needs another conversion or calculation.

Embed this tool

Paste this snippet into your own site or blog post to embed a live, working copy of this tool. It links back to the full page on SpecWhale.

Frequently asked questions

Is Waist-To-Hip Ratio Calculator free to use?

Yes. Waist-To-Hip Ratio Calculator is completely free, has no usage limit, and does not require an account, email, or API key.

Does Waist-To-Hip Ratio Calculator store or upload my data?

No. Waist-To-Hip Ratio Calculator calculates everything locally in your browser. Nothing you type is sent to a server or stored by SpecWhale.

How accurate is Waist-To-Hip Ratio Calculator?

Waist-To-Hip Ratio Calculator uses a standard formula (see the Method section above for the exact expression). For high-stakes financial, medical, or legal decisions, confirm the result with a professional or an authoritative source before relying on it.

Can I embed Waist-To-Hip Ratio Calculator on my own website?

Yes. Use the "Embed this tool" snippet on this page to add a free, working copy of Waist-To-Hip Ratio Calculator to your own blog post or page.

SEO and sharing notes

This page has a single clean canonical URL, descriptive metadata, breadcrumb structured data, and internal links to related tools. Supported calculators and converters can also copy a prefilled share link without changing the canonical index URL.