What is the Waist to Hip Ratio Calculator?
The waist to hip ratio calculator divides your waist by your hip measurement. A higher ratio means more fat around the abdomen, which is linked with greater health risk.
How to use the Waist to Hip Ratio tool
- Enter Sex, Waist and Hip.
- The result updates instantly as you type, or press Calculate.
- Use Try an example to see how it works, and Reset to start again.
Formula
WHR = waist circumference ÷ hip circumference. The WHO flags a ratio above 0.90 for men and 0.85 for women.
Worked example
With sex Male, waist 85 cm, hip 100 cm, the waist to hip ratio comes to 0.85. WHO risk threshold: 0.9; Result: Within the healthy range.
Frequently asked questions
How do I measure my waist and hips?
Measure the waist at the narrowest point or at the navel, and the hips at the widest part of the buttocks.
Is WHR better than BMI?
It adds information about where fat is stored, so the two together give a fuller picture.
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Checked by Calcovate · Formula tested against worked examples · Updated 7 Nov 2026 · How we check our calculators. General information only, not financial or medical advice.