Waist-to-Height Ratio

Calculate your waist-to-height ratio.

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About the Waist-to-Height Ratio

Waist-to-height ratio (WHtR) divides your waist circumference by your height. It is a simple way to check fat stored around the belly, which is linked to heart and metabolic health.

Formula

WHtR = waist ÷ height (same units). A common guideline is to keep your waist less than half your height, i.e. a ratio below 0.5.

Tip

Measure your waist midway between the lowest rib and the top of the hip bone, after breathing out normally.

How to use Waist-to-Height Ratio

  1. Enter your values. Units and defaults are shown beside each field.
  2. Press Calculate (results also update as you type once calculated).
  3. Read the result and the step-by-step breakdown with the formula used.
  4. Copy the result or reset to start again.

Frequently asked questions

How accurate is this calculator?

Calculations use the standard formulas shown on the page, computed in full precision and rounded only for display. The result is only as accurate as the inputs and assumptions listed.

Is this medical advice?

No. Health calculators give general estimates for information only and are not a diagnosis. Speak to a qualified health professional about your situation.

Is it free?

Yes. All tools are free to use without an account.