Waist-to-Height Ratio Calculator
Central obesity risk from waist and height.
Enter your values
ⓘ Live results
Results
- Waist-to-height ratio
- 0.5
- Category
- Increased risk
- Target waist (<0.5)
- 85 cm
Quick answer
A waist-to-height ratio above 0.5 is generally linked to increased cardiometabolic risk.
WHtR = waist / height
How to use the Waist-to-Height Ratio Calculator
- 1Measure waist at the navel, standing relaxed.
- 2Divide by your height in the same units.
- 3This screens for risk only — discuss results with a clinician rather than self-diagnosing.
Worked example
Using the values the calculator loads with:
Inputs
- Waist circumference85 cm
- Height170 cm
Results
- Waist-to-height ratio0.5
- CategoryIncreased risk
- Target waist (<0.5)85 cm
Frequently asked questions
Why not BMI?
WHtR tracks abdominal fat, which is more strongly linked to metabolic risk than BMI alone.
Same ratio for men and women?
The 0.5 threshold is commonly used for both sexes.
About this calculator
- Built and reviewed by James Whitfield · How we build and test calculators
- Report an error
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.