Diabetes Risk Calculator
Score your risk of type 2 diabetes from age, BMI, waist size, family history and daily activity, and read the band.
Recent
Formula
How the calculation works
The calculator assigns points for each risk factor using cut offs for age, BMI, waist, family history and activity.
It adds the points together to give a single risk score between about zero and twenty.
That score is mapped to a band from low through slightly elevated and moderate to high and very high.
Common mistakes
- Treating a high score as a diagnosis, when it only signals risk and a blood test is still needed to confirm.
- Leaving waist as a weight measure, since waist size reflects belly fat that predicts diabetes better than weight alone.
When to use it
- Use it to decide whether to ask a doctor for a blood glucose test based on your lifestyle risk factors.
- Use it to see which factor, such as waist size or inactivity, adds the most points and is easiest to change.
Worked example
Age 45 adds 2 points, BMI 27 adds 1, a waist of 90 cm adds 3, a first degree relative adds 5 and no daily activity adds 2, giving a score of 13, in the moderate band.
Common questions
Can I use this instead of a blood test?
No, this score only estimates risk, and only a fasting glucose or HbA1c blood test can actually diagnose diabetes.
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