Waist-to-Hip Ratio Calculator
Work out your waist-to-hip ratio (WHR) from two simple measurements and see the World Health Organization health-risk category for your sex — a quick indicator of fat distribution.
How to use it
Measure your waist at its narrowest point and your hips at the widest, then enter both. The calculator divides waist by hip to give your ratio and shows the WHO risk band for your sex. Units don't matter as long as both use the same one.
Waist-to-hip ratio reflects where you carry fat. More fat around the middle (a higher ratio) is linked to greater cardiovascular and metabolic risk than fat carried on the hips and thighs. It complements BMI rather than replacing it.
Frequently asked questions
What is a healthy waist-to-hip ratio?
The WHO considers lower risk to be a ratio at or below 0.90 for men and 0.85 for women. Higher ratios indicate more abdominal fat and are linked to greater cardiovascular and metabolic risk.
How do I measure waist and hips?
Measure your waist at the narrowest point (usually just above the navel) and your hips at the widest part of your buttocks. Keep the tape snug and level, and don't hold your breath or suck in.
Is WHR better than BMI?
They measure different things. BMI estimates overall weight relative to height; WHR captures fat distribution. Used together they give a fuller picture of health risk than either alone.
BriskToolbox provides estimates for general information only and is not medical advice. Talk to a healthcare professional about your individual health.