Waist-to-Height Ratio Calculator
A simple ratio many experts prefer to BMI. Keep your waist under half your height.
Fill in the fields above to see your result.
For general guidance only — not medical advice. Please check with your doctor before starting any new exercise or diet.
About the Waist-to-Height
Waist-to-height ratio divides your waist by your height. Many researchers find it a better everyday guide than BMI because it reflects where fat is stored.
The simple rule of thumb: keep your waist to less than half your height.
Frequently asked questions
How do I measure my waist?
Measure around the narrowest part, usually just above the belly button, without pulling the tape tight.
Why use this instead of BMI?
It accounts for where you carry weight, which matters for health — though both are only guides.
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