Waist-to-Height Ratio Calculator
A simple rule: keep your waist under half your height.
Your result
At or above 0.5 suggests extra abdominal fat; 0.6 and above is considered high risk.
Medical disclaimer: This tool is for education and is not medical advice. Read more.
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Frequently asked questions
What does the Waist-to-Height Ratio Calculator do?
A simple rule: keep your waist under half your height. Enter your values and the result and chart update instantly.
How accurate is it?
It uses published, widely used formulas. Results are estimates for education and planning, not a diagnosis. Talk to a qualified clinician about decisions affecting your health.
Is my information stored or shared?
No. All calculations run in your browser and nothing you type is sent to a server or saved.
What can I search to find this tool?
People find it by searching for: belly fat; is my waist too big; simple heart risk check; waist size target.