Waist-to-Height Ratio Calculator
Calculate your waist-to-height ratio (WHtR) to assess health risk from central obesity. A simple predictor of cardiovascular risk.
Enter waist and height measurements.
Formula
WHtR = Waist circumference / Height
Risk Categories
| WHtR | Category |
|---|---|
| < 0.4 | Underweight / very slim |
| 0.4 – 0.5 | Healthy |
| 0.5 – 0.6 | Increased risk |
| > 0.6 | High risk |
Why Use WHtR?
- Simple guideline: keep your waist less than half your height.
- Research suggests WHtR predicts cardiovascular risk better than BMI alone.
- Works across different ages and ethnicities.
Disclaimer: This is a screening tool only. Consult a healthcare professional for a comprehensive health assessment.
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Last updated: 2026-08-08