Waist-to-Hip Ratio Calculator

Use this waist-to-hip ratio calculator for an approximate adult fitness calculation. Choose US units for pounds, inches or yards, or switch to metric. Results are estimates, not medical or training prescriptions.

Your Numbers

Waist Circumferencecm

Hip Circumferencecm

Results

Waist-to-Hip Ratio—

Input check—

Results update live as you type. Estimates only — not financial, tax, or investment advice.

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The Formula

Waist-to-Hip Ratio = Waist Circumference ÷ Hip Circumference

Understanding the Waist-to-Hip Ratio Calculator

Worked example: A 85 cm (33.5 in) waist and 100 cm (39.4 in) hips give a waist-to-hip ratio of 0.85. The ratio is identical in inches or centimeters.

Use the same units for both measurements and a consistent tape placement. The ratio alone does not diagnose cardiovascular disease.

Frequently Asked Questions

How is the result calculated?

Waist-to-Hip Ratio = Waist Circumference ÷ Hip Circumference

What should I know about this estimate?

Use the same units for both measurements and a consistent tape placement. The ratio alone does not diagnose cardiovascular disease.