Waist-to-Height Ratio Calculator
Calculate your waist-to-height ratio, a simple screening measure where staying below 0.5 is the common target.
- Common healthy target
- below 0.5
Formula: WHtR = waist ÷ height
About Waist-to-Height Ratio Calculator
Waist-to-Height Ratio Calculator is a free online calculator that gives you an instant, accurate result as you type. Calculate your waist-to-height ratio, a simple screening measure where staying below 0.5 is the common target.
The calculation uses the standard formula WHtR = waist ÷ height and updates live with every change to the inputs. Everything runs client-side in your browser — fast, private, and free to use as often as you like.
The popular rule of thumb "keep your waist to less than half your height" corresponds to a waist-to-height ratio below 0.5.
Results are estimates for educational purposes and not medical advice.
Frequently Asked Questions
Is Waist-to-Height Ratio Calculator free to use?
Yes. Waist-to-Height Ratio Calculator is completely free, with no sign-up, no downloads, and no usage limits. You can use it as many times as you like on any device with a web browser.
How accurate is this calculator?
The calculator applies the standard formula (WHtR = waist ÷ height) with full floating-point precision and rounds only the displayed result. For most practical purposes the results are exact.
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