Compute your waist-to-hip ratio and find which WHO risk category it falls into.
Waist Circumference (cm) — Waist circumference measured at the narrowest point cm. Use a flexible tape, exhale normally. Example: 80 cm.
Hip Circumference (cm) — Hip circumference at the widest point cm. Keep tape level around buttocks. Example: 95 cm.
Biological Sex — Biological sex affects WHO cut-offs for risk categories. Select the option that matches your assessment needs. Example: female.
Waist-to-Hip Ratio
0.84
Waist-to-Hip Ratio — Waist divided by hip. WHO high-risk thresholds: men >0.90, women >0.85. Lower is generally lower cardio-metabolic risk.
Risk Category (WHO)
Lower risk
Risk Category (WHO) — Risk category per WHO waist-to-hip cut-offs. Use as screening, not diagnosis; combine with other metrics.
What this means
The World Health Organization suggests an elevated risk above 0.90 for men and 0.85 for women. This tool uses those thresholds.
The waist-to-hip ratio (WHR) compares waist and hip circumference and is used as an indicator of central (abdominal) obesity risk.
Formula
ratio = waist circumference ÷ hip circumference
Worked examples
FAQ
Why measure the waist-to-hip ratio?
Abdominal fat distribution is linked to cardiovascular and metabolic risk, and WHR captures that distribution better than weight alone.
What do the thresholds mean?
Ratios at or above the WHO threshold indicate a higher risk category; below it is considered lower risk.