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Diabetes Risk Score Calculator

Age, BMI, waist, activity and family history give your FINDRISC diabetes risk score.

How it is calculated

This is a points table (FINDRISC), not a formula. Age adds 2 points from 45, 3 from 55 and 4 from 65. BMI adds 1 point from 25 up to 30 and 3 points above 30 (exactly 30 still counts 1). Waist circumference in cm adds 3 points from 94 (men) or 80 (women) and 4 points from 102 (men) or 88 (women). Less than 30 minutes of daily activity adds 2, no daily fruit or vegetables adds 1, blood-pressure medication adds 2, a past high blood glucose adds 5, and a first-degree relative with diabetes adds 5 (second-degree: 3). The maximum is 26. Totals of 0 to 6 are low, 7 to 11 slightly elevated, 12 to 14 moderate, 15 to 20 high and 21 and above very high, each with a rough 10-year risk. It is an adult model: age must be 18–120, BMI 10–100 and waist 40–250 cm, otherwise there is no result.

Worked example

A 50-year-old man has BMI 28, waist 95 cm, gets less than 30 minutes of activity a day, eats vegetables daily, takes no blood-pressure drugs, has had no high glucose, and has a second-degree relative with diabetes. Points: age 2, BMI 1, waist 3 (95 is above 94), activity 2, diet 0, medication 0, glucose 0, family 3. The total is 11, shown as 11 / 26. That lands in the slightly elevated band, with the tool's estimate "About 1 in 25 (4%)".

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Common mistakes

  • Entering waist in inches: the thresholds are in centimetres, so 37 inches typed as 37 is below the 40 cm minimum and returns no result; 94 cm is the real figure.
  • Answering the activity question backwards: the points are added when activity is "no", meaning less than 30 minutes a day.
  • Counting a grandparent or cousin as first-degree family: parents, siblings and children give 5 points, other relatives give 3.
  • Entering height or weight in the BMI field. The tool asks for the finished BMI value, and anything below 10 or above 100 (so 3, or 175) gives no result.
  • Leaving the sex at its default. Men and women have different waist thresholds, so the same 90 cm waist scores 4 points for a woman and 0 for a man.

Sources

About this calculator

The FINDRISC (Finnish Diabetes Risk Score) questionnaire estimates the probability of developing type 2 diabetes within 10 years using eight simple, self-reportable factors — age, BMI, waist circumference, physical activity level, daily vegetable/fruit intake, history of blood-pressure medication use, history of elevated blood glucose, and family history of diabetes — each assigned points that sum to a total score, typically ranging from 0 to 26.

Developed in Finland and validated across multiple populations, FINDRISC is widely used in primary care and public health screening because, unlike a blood test, it requires no lab work — a score above roughly 15 is generally considered high risk and prompts a recommendation for actual glucose testing, while a low score reassures without needing to draw blood in a low-risk person. It’s designed as a screening filter to prioritize who gets tested, not a diagnostic tool on its own.

Age, BMI, waist size, activity and your family and medical history are scored with the FINDRISC questionnaire, giving a total and the risk band it falls into.

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