How to Calculate Waist-to-Height Ratio
What is Waist-to-Height Ratio?
Waist-to-height ratio (WHtR < 0.5 = keep waist less than half your height) is a simple measure of central adiposity more predictive of cardiometabolic risk than BMI.
Step-by-Step Guide
- 1WHtR = Waist / Height (same units)
- 2Target: WHtR < 0.5 for most adults
Worked Examples
Input
Waist 90cm · Height 175cm
Result
WHtR = 0.514 — marginally above optimal
Below 0.5 is the simple guideline
Ready to calculate? Try the free Waist-to-Height Ratio Calculator
Try it yourself →