Waist-to-Height Ratio Calculator

STEP BY STEP

How to use waist-to-height ratio calculator

1. Enter the labelled values in the displayed units.
2. Review the method: Waist-to-height ratio = waist circumference / height.
3. Read the worked example and method limitations.

WHEN IT HELPS

Common uses

• Compare the assumptions: A waist of 80 cm and height of 175 cm give 0.457.

IN PRACTICE

Example

A waist of 80 cm and height of 175 cm give 0.457.

GOOD TO KNOW

How should I interpret the ratio?

NICE uses this alongside BMI in adults with BMI below 35. A ratio below 0.5 is its general reference. Do not infer a diagnosis from the ratio alone; this tool does not assess children or pregnancy.