GlenCalc

Waist-to-height ratio calculator

Keep your waist to less than half your height. Measure your waist halfway between your lowest rib and the top of your hip bone, after breathing out.

Your answer

Waist-to-height ratio0.49
Category0.4 to 0.49: healthy range

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How we worked it out

Updated as you change the numbers.

  1. Ratio = waist ÷ height, both in the same unit.

Method and assumptions

Studies have found the ratio predicts heart and metabolic risk at least as well as BMI or waist size alone, and the same 0.5 boundary works for men and women.

Questions

What is the ratio for a 34-inch waist at 5 ft 10 in?

0.49: just inside the healthy range.

Sources

Method and figures checked on . Every worked answer on this page is covered by an automated test. Found a mistake? Tell us.

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