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Waist-to-Height Ratio Calculator

Waist-to-height ratio (WHtR) — a simple screen for central obesity: keep your waist under half your height.

Enter values

Results update as you type.

Result

Waist-to-height ratio

0.491

Healthy range (under 0.5).

Step-by-stepShow
  1. Waist-to-height ratio = 86 ÷ 175 = 0.491

About the Waist-to-Height Ratio Calculator

Waist-to-height ratio (WHtR) — a simple screen for central obesity: keep your waist under half your height.

Also known as: whtr calculator, waist height ratio, central obesity.

How to use this calculator

  1. Enter waist circumference, height.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Open “Step-by-step” to see how the answer was worked out.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

Waist-to-height ratio = Waist circumference ÷ Height

Worked example

Using the values pre-filled in the calculator above:

  • Waist circumference = 86
  • Height = 175

the calculator returns:

  • Waist-to-height ratio: 0.491

Working

  1. Waist-to-height ratio = 86 ÷ 175 = 0.491