Use the Diabetes Risk Calculator
Enter a few quick items—age, height, weight, waist, daily activity, diet, and family history—to see your score from the Diabetes Risk Calculator and what tier it lands in.
Start your diabetes risk estimate
Adults 18–100 only. Age impacts your risk points.
Risk thresholds differ by sex: men 94/102 cm; women 80/88 cm.
How to Use Diabetes Risk Calculator: Assess Your Type 2 Diabetes Risk
Step 1: Select Units & Sex
Choose metric or imperial and select your sex to apply the correct waist thresholds.
Step 2: Enter Height, Weight, Waist
Fill in your height, weight, and waist. BMI is calculated automatically.
Step 3: Answer Lifestyle Questions
Indicate activity (≥30 min/day), daily fruits/vegetables, blood pressure medication, and any history of high glucose.
Step 4: Add Family History
Select none, second‑degree, or first‑degree relatives with diabetes.
Step 5: Calculate & Review
Tap Calculate to see your score, risk tier, and point breakdown, then review tips to lower risk.
Key Features
- Evidence‑based point model (FINDRISC‑style)
- Auto BMI from height/weight with unit toggle
- Sex‑specific waist thresholds
- Lifestyle flags with instant point breakdown
- Mobile‑first UI with clear actions
Understanding Results
Formula
This tool uses a practical point system modeled after well‑known diabetes risk scores (e.g., FINDRISC). You enter age, height, weight, waist circumference, and a few lifestyle/history items. Points are added as follows: Age (0–4); BMI (0 for <25, 1 for 25–29.9, 3 for ≥30); Waist, sex‑specific (men: 0 for <94 cm, 3 for 94–102, 4 for >102; women: 0 for <80 cm, 3 for 80–88, 4 for >88); Physical activity (0 if ≥30 min daily, otherwise 2); Fruit/vegetables (0 if daily, otherwise 1); Blood pressure medication (2 if yes); History of high glucose (5 if yes); Family history (0 none, 3 second‑degree relatives, 5 first‑degree).
Reference Ranges & Interpretation
Your total score maps to a tier: Low (<7), Slightly elevated (7–11), Moderate (12–14), High (15–20), or Very high (>20). Tiers are a quick guide for action. Low suggests continuing what works. Slightly elevated is a nudge toward more movement and vegetables. Moderate or higher points to intentional changes and a conversation about screening (A1C and fasting glucose). Risk scores estimate population risk; they do not replace testing or personalized clinical advice.
Assumptions & Limitations
This calculator estimates type 2 diabetes risk in adults. It is not designed for type 1 diabetes, children, pregnancy‑specific decisions, or diagnosis. Conditions that affect body composition or blood measurements can change results. Use your score as a compass for habits and screening—not a verdict. If your tier is moderate or higher, or if you have concerning symptoms, discuss testing with your clinician.
Complete Guide: Diabetes Risk Calculator: Assess Your Type 2 Diabetes Risk

On this page
Estimate your risk of Type 2 diabetes with the Diabetes Risk Calculator using simple factors. Review risk tiers and get lifestyle tips you can apply now.
This diabetes risk calculator focuses on clear questions that reflect well‑studied risk factors for type 2 diabetes. Your answers create a simple score and a risk tier. The result is not a diagnosis. Instead, it’s a practical signal to use with screening guidance and everyday habits that are proven to help.
What is a diabetes risk calculator?
A diabetes risk calculator estimates your likelihood of developing type 2 diabetes in the future based on personal and lifestyle information. Tools like this one group your answers into a point‑based score and then place the score into a tier such as low, moderate, or high. That tier helps you decide what to do next: stay the course, adjust routine habits, or schedule a discussion about screening with your clinician.
Risk calculators are most useful when they are easy to use and honest about limitations. They don’t replace lab testing. They do, however, translate well‑known signals—like age, waist measurement, physical activity, diet patterns, and family history—into a quick snapshot. If you want to go deeper after your score, try our A1C calculator or our simple blood sugar converter to compare common units.
How we calculate your score
The scoring in this tool follows a pragmatic, population‑based approach used in widely cited models such as the Finnish Diabetes Risk Score (often called FINDRISC). Factors include:
- Age (higher age adds points),
- Body mass index (BMI) computed from your height and weight,
- Waist circumference using sex‑specific thresholds,
- Physical activity of at least 30 minutes daily,
- Daily fruits and vegetables,
- Blood pressure medication,
- History of high blood glucose, and
- Family history (first‑degree relatives weigh more than second‑degree).
Each factor contributes points. Your total score maps to a tier: low, slightly elevated, moderate, high, or very high. Tiers are a quick way to prioritize action. For example, a moderate tier suggests that a few consistent changes—more walking, more vegetables, a modest waist reduction—can meaningfully shift your risk.
Want to double‑check BMI or waist context? Use our BMI calculator to compare categories and our waist‑to‑height ratio calculator for another simple, body‑size‑aware indicator.
How to use the tool
Using the calculator is quick. Choose metric or imperial, fill in age, height, weight, and waist. Indicate your daily activity and whether you eat fruits and vegetables most days. Then answer the short history questions about blood pressure medication, prior high blood glucose, and family history. Tap Calculate. Your score and tier appear instantly, along with a transparent point breakdown.
To make a plan, compare your score with the categories and look for “movable” items. For many people, increasing activity to at least 30 minutes daily and building a vegetable‑forward plate are high‑leverage changes. If you’d like to plan your intake, our calorie calculator and weight‑loss calorie calculator can provide a sensible daily target.
Reading your results
A low score suggests your current routine is likely aligned with prevention. “Slightly elevated” is a nudge to tighten a few basics you already know—regular walking, vegetables at most meals, and attention to sleep. “Moderate” or higher is your cue to take intentional steps and consider lab screening. If you haven’t recently checked A1C or fasting glucose, it may be time to talk with your clinician about it.
Two important notes: First, a higher score doesn’t mean diabetes is inevitable; it means you have more levers to pull. Second, a lower score doesn’t guarantee immunity; it just means you have mostly protective patterns. Use this information to steer your next week, not to label yourself.
How to lower your risk
Prevention is about building a small set of repeatable habits and keeping them long enough for biology to respond. The foundation looks simple on paper: move daily, build a vegetable‑forward plate, mind portions, prioritize sleep, and manage stress. The details below keep things realistic for busy lives.
Nutrition basics for prevention
There is no single “diabetes diet.” The patterns that consistently help are balanced and flexible. Start with this simple frame: half your plate non‑starchy vegetables, a palm‑size portion of protein, a cupped‑hand portion of starch or fruit (more on very active days, less on sedentary days), and a thumb‑size portion of healthy fat (olive oil, nuts, seeds). That gets you adequate nutrition without complicated math.
Fiber is your friend. Vegetables, beans, lentils, whole grains, and fruit slow down digestion and blunt glucose spikes. Many people find that shifting half of refined grains to whole‑grain versions and adding one bean‑based meal each week are easy early wins. If you’re tracking intake to reach a goal, our macro calculator and protein calculator can help you choose targets without going extreme.
Sweetened drinks add up quickly. Most people don’t realize how often calories and sugar slip in between meals. Replacing a daily sweetened drink with water, sparkling water, or unsweetened tea is a small change with a big effect over months. For context, use our food calorie calculator to compare choices and plan simple swaps.
Activity, movement, and strength
Aim for a baseline of at least 150 minutes per week of moderate activity spread across days, with two short sessions of strength training. That baseline is flexible: brisk walking, cycling, swimming, or anything that raises your heart rate while still allowing conversation. Strength work maintains muscle, which improves insulin sensitivity and keeps day‑to‑day life easier.
If you’re starting from a very low activity baseline, begin with short, frequent walks after meals. Five to ten minutes after breakfast, lunch, and dinner can noticeably improve glucose handling. For a personalized training zone, try our Zone 2 heart rate calculator or the classic target heart rate calculator to keep intensity right where you want it.
Weight and waist: why they matter
Waist circumference and BMI show up in risk scores because they are easy, practical indicators of how much energy the body is storing relative to size. They are not judgments. A small reduction in waist—often just a few centimeters—can make a measurable difference in insulin sensitivity and blood pressure. People sometimes assume progress requires a dramatic change. In reality, even a 5% weight reduction can meaningfully lower risk for many adults.
If you’d like help finding a sustainable pace, set a modest calorie target with the calorie calculator and consider a weekly check‑in with the weight‑loss date calculator to keep timelines realistic. Use the walking calorie calculator to see how short walks contribute over time.
Sleep, stress, and other factors
Sleep and stress do not appear as explicit questions in many risk tools, but they influence appetite, movement, and glucose control. Adults who routinely sleep 7–9 hours tend to regulate appetite better and move more. Simple stress practices—short breathwork, a ten‑minute walk break, or a quick stretch—help keep your other habits on track. If you snore loudly or wake unrefreshed, discuss sleep apnea screening with your clinician; improving sleep quality can translate into better glucose control and lower blood pressure.
When to check A1C or glucose
Screening recommendations vary by country and personal history. As a simple rule of thumb: if your tier is moderate or higher, talk with your clinician about checking A1C and fasting glucose. Some people also benefit from an oral glucose tolerance test. If you are already tracking results, convert values easily with our A1C calculator and blood sugar calculator.
National guidance such as the CDC’s screening recommendations and physical activity guidelines provide helpful context for the next step. See the CDC Diabetes hub and their adult activity recommendations. If you have questions about heart risk alongside diabetes risk, our ASCVD risk calculator and heart disease risk calculator can add more perspective.
What drives diabetes risk the most
In most adults, age, family history, waist circumference, activity level, and sleep quality move risk the most. You cannot change age or genetics, but you can make waist and movement trends easier to improve. Start with a daily step baseline and two short strength sessions per week, pick a simple plate pattern (protein, produce, whole‑grain starch, healthy fat), and aim for 7–9 hours of sleep. Re‑run the diabetes risk calculator every few months—the score should reflect your steady work even if the change is gradual.
This guide aims to be practical and human. Use the score as a compass, not a verdict. Start small, keep it steady, and let your results—waist, energy, blood pressure, and labs—reflect the changes you make. If you need structured support, partnering with a registered dietitian or a health coach can provide accountability while keeping your plan realistic.

Written by Jurica Šinko
Founder & CEO
Entrepreneur and health information advocate, passionate about making health calculations accessible to everyone through intuitive digital tools.
View full profileFrequently Asked Questions
What does the Diabetes Risk Calculator measure?
It estimates your likelihood of developing type 2 diabetes using established population factors (age, BMI, waist, activity, diet, blood pressure medication, prior high glucose, and family history). The score places you into a risk tier to guide next steps.
How accurate is this diabetes risk calculator?
It follows a validated, point‑based approach similar to FINDRISC. It is a risk estimate—not a diagnosis—and works best alongside routine screening and clinician guidance.
Do you diagnose diabetes or prediabetes?
No. This tool does not diagnose. It highlights risk so you can decide whether to adjust habits or discuss A1C/fasting glucose testing with your clinician.
Which waist sizes raise risk?
For men, risk increases around 94–102 cm and above 102 cm; for women, around 80–88 cm and above 88 cm. Small reductions in waist can meaningfully lower risk.
How often should I recheck my score?
Every few months is reasonable, or after meaningful changes in weight, waist, activity, or diet. Use it as a quick personal check‑in rather than a medical test.
Do you store my data?
No. Calculations happen in your browser and are not saved on our servers. You can screenshot or write down your results if you want a record.
Which tests confirm diabetes?
Common options include A1C, fasting plasma glucose, and an oral glucose tolerance test. Talk with your clinician about which makes sense for you.
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