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Waist-to-Hip Ratio Calculator

A simple WHO-endorsed measure of central fat distribution and cardiometabolic risk.

WHR = Waist ÷ Hip | Risk: Male >0.90, Female >0.85 (WHO criteria for substantially increased risk)

What Is WHR?

Waist-to-Hip Ratio compares the circumference of the waist to that of the hips, revealing whether fat is stored centrally (apple shape) or peripherally (pear shape). Central fat is metabolically active and strongly associated with insulin resistance, type 2 diabetes, hypertension, and cardiovascular disease.

WHO Risk Thresholds

SexLowModerateHigh
Men<0.900.90–0.99≥1.0
Women<0.800.80–0.84≥0.85

How to Measure

  • Waist — at the natural waist (smallest point, usually just above the navel)
  • Hips — at the widest part of the buttocks, with feet together
  • Stand relaxed, breathe out gently, keep tape parallel to the floor