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Waist-to-Hip Ratio Calculator

Calculate your waist-to-hip ratio (WHR) and see your World Health Organization cardiovascular risk category.

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Waist-to-Hip Ratio
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WHO Risk CategoryLow

Waist-to-hip ratio (WHR) is used by the World Health Organization as an indicator of fat distribution and associated cardiovascular risk.

This is an estimate for informational purposes only and is not medical advice. Consult a healthcare provider.

How to Calculate & Formula Details

Mathematical Model FormulaWHR = Waist Circumference / Hip Circumference.

Waist-to-hip ratio (WHR) compares the circumference of your waist to your hips, and is used by the World Health Organization as an indicator of abdominal fat distribution and associated cardiovascular risk.

Why Fat Distribution Matters

Fat stored around the abdomen (an "apple" shape) is more strongly linked to cardiovascular and metabolic risk than fat stored around the hips and thighs (a "pear" shape), even at the same overall body weight.

WHO Risk Thresholds

The World Health Organization classifies risk differently for men and women, since healthy fat distribution differs by sex.

Frequently Asked Questions

How do I measure my waist and hips correctly?

Measure your waist at the narrowest point, usually just above the belly button, and your hips at the widest point around your buttocks. Keep the tape measure snug but not compressing the skin.

What is a healthy waist-to-hip ratio?

The WHO considers a WHR below 0.90 for men and below 0.80 for women to be low risk. Higher ratios indicate more abdominal fat and higher associated cardiovascular risk.

Is WHR better than BMI?

WHR captures fat distribution, which BMI does not. Many researchers consider WHR a better predictor of cardiovascular risk than BMI alone, though using both together gives a fuller picture.

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