Waist-to-Hip Ratio Calculator

Work out your waist-to-hip ratio from two measurements and see your health-risk band based on World Health Organization guidelines.

Work out your waist-to-hip ratio from two tape measurements and see which health-risk band it falls in, based on World Health Organization guidelines. The ratio shows where you carry weight, which BMI alone can miss, and the tool works for men and women in centimetres or inches.

Read the guide: What Your Waist-to-Hip Ratio Says About Your Health

Your measurements

Units
Sex

Waist-to-hip ratio

0.85

Low risk

Health risk
Low risk

Waist-to-hip ratio is one of several risk indicators. Informational only, not medical advice — discuss your results with a clinician.

How it works

  1. 1

    Measure waist and hip

    Use a tape: waist at the narrowest point, hips at the widest.

  2. 2

    Enter the numbers

    Add your sex and the two measurements.

  3. 3

    See your band

    View your ratio and its associated risk category.

Instant & 100% private — nothing is uploaded

Every calculation runs locally in your browser. The measurements, dates and details you enter stay on your own device and are never sent to a server — nothing is stored, logged or shared.

Frequently asked questions

Why does waist-to-hip ratio matter?
It reflects where you carry fat. Fat around the middle is more strongly linked to health risks than fat on the hips, so the ratio adds information BMI misses.
What is a healthy ratio?
The WHO considers risk higher above about 0.90 for men and 0.85 for women, though it is just one of several indicators.
How do I measure my waist and hips correctly?
Measure your waist at the narrowest point, usually just above the belly button, and your hips at the widest part of your buttocks. Keep the tape level and snug without squeezing, and stay relaxed rather than holding your stomach in.

Important

These calculators give general, informational estimates and are not medical advice, diagnosis or treatment. Everyone is different — for decisions about your health, talk to a qualified clinician.

More tools

BMI CalculatorBody mass index, your category and a healthy weight range.Body Fat CalculatorBody fat percentage from the US Navy measurement method.Ideal Weight CalculatorA healthy target weight range for your height.Lean Body Mass CalculatorLean (fat-free) mass and fat mass from height and weight.BMR CalculatorCalories your body burns at rest (Mifflin-St Jeor).TDEE CalculatorTotal daily calories burned, from BMR and activity.

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