Waist-to-Hip Ratio Calculator

It's simply your waist circumference divided by your hip circumference, both measured in the same units — the result is a unitless ratio, so it doesn't matter whether you measure in centimeters or inches as long as both measurements use the same unit.

The World Health Organization's risk categories account for typical differences in body fat distribution between sexes — a ratio of 0.90 is a meaningful risk threshold for men, while the equivalent threshold for women is lower (0.85), reflecting different average hip-to-waist proportions.

It's used as an indicator of central (abdominal) fat distribution relative to overall body shape — a higher ratio is associated with a higher proportion of visceral fat around the abdomen, which research links to cardiovascular and metabolic risk independent of overall body weight.

No — it's a simple reference calculation based on WHO general population guidelines, not a personalized medical assessment. Talk to a healthcare provider for an interpretation that accounts for your full health picture.