📏 Waist-to-Hip Ratio
Calculate the waist-to-hip ratio as a marker of central adiposity.
Clinical takeaway
Reflects central fat distribution independent of BMI.
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When to use
Cardiometabolic risk screening alongside BMI.
How it works
WHR = waist ÷ hip circumference. WHO risk: > 0.90 (men), > 0.85 (women).
Key points
- Reflects central fat distribution independent of BMI.
- Waist circumference alone is also useful.
- Measure at consistent anatomical landmarks.
References
Decision support for licensed clinicians only; not a substitute for clinical judgement, diagnosis or local protocols.
Worked calculation
The values below come from this tool's own example placeholders and are computed server-side with the formula shown on this page, so the arithmetic can be checked quickly. It demonstrates how to substitute values only — it is not clinical advice and not a real case.
| Waist circumference | 95 cm |
|---|---|
| Hip circumference | 100 cm |
| Sex | Male |
→Waist-hip ratio0.95
- WHO threshold：> 0.90 (men) = increased risk
Frequently asked questions
- What is Waist-to-Hip Ratio?
- Calculate the waist-to-hip ratio as a marker of central adiposity.
- How is Waist-to-Hip Ratio calculated? What is the core formula?
- WHR = waist ÷ hip circumference. WHO risk: > 0.90 (men), > 0.85 (women).
- When is Waist-to-Hip Ratio used?
- Cardiometabolic risk screening alongside BMI.
- What are the key clinical points for Waist-to-Hip Ratio?
- Reflects central fat distribution independent of BMI. Waist circumference alone is also useful. Measure at consistent anatomical landmarks.
- What are the limits and cautions when using Waist-to-Hip Ratio?
- For licensed clinicians and clinical researchers. Interpret results with history, investigations and local protocols; not a diagnosis or prescription, and not a substitute for multidisciplinary decision-making or local guidelines.
- How is Waist-to-Hip Ratio calculated in practice? Can you show a worked example?
- Inputs: Waist circumference 95 cm, Hip circumference 100 cm, Sex Male → Result: Waist-hip ratio 0.95（WHO threshold: > 0.90 (men) = increased risk）