Online Tool Store
Cardiovascular Risk Estimator
Enter age, blood pressure, cholesterol, and smoking status to estimate a simplified 10-year cardiovascular risk percentage, for general awareness only.
🔒 This tool runs entirely in your browser. Your files are never uploaded to a server.
A simplified estimate for general awareness, loosely modeled on the risk factors used in Framingham-style 10-year cardiovascular risk scores — not a diagnosis. Talk to a clinician about your actual risk.
Estimated 10-year risk
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How Cardiovascular Risk Estimator works
- Enter age, sex, systolic blood pressure, total and HDL cholesterol, and check smoking or blood-pressure-medication status if they apply.
- Each factor contributes a weighted number of points — for example, older age, higher LDL-driving total cholesterol, and low HDL each add points, while high HDL subtracts them.
- The point total is converted into an approximate 10-year risk percentage using a smooth curve, capped at 45%.
- The result is grouped into a plain-language band — low, borderline, intermediate, or high — updated instantly as you adjust any factor.
The scoring bands
Under 5% is treated as low estimated risk, 5–10% as borderline, 10–20% as intermediate, and above 20% as high — the same broad bands used by real 10-year cardiovascular risk tools to decide whether lifestyle changes or clinical follow-up are worth discussing. Smoking alone adds a fixed 3-point penalty here since it's one of the single largest modifiable risk factors in every major cardiovascular risk model.
FAQ
What risk model is this based on?
It's a simplified, points-based estimate loosely modeled on the structure of Framingham-style 10-year cardiovascular risk scores — age, cholesterol, HDL, blood pressure, and smoking each contribute points that map to an approximate risk percentage. It is not the validated clinical Framingham or ASCVD equation.
Why does untreated high blood pressure add extra risk?
Standard cardiovascular risk models weight blood pressure differently depending on whether it's already being managed with medication — uncontrolled hypertension (systolic ≥140 mmHg with no treatment) carries a higher risk contribution than the same reading while on treatment, so the calculator adds an extra points bump in that case.
Is a low score a guarantee of good heart health?
No — this only reflects the five factors you entered. It doesn't account for family history, diabetes, kidney disease, existing heart conditions, or lab values like triglycerides and CRP that a clinician would consider. Use it as a general awareness signal, not a clean bill of health.
How we compare
| Feature | Online Tool Store | A clinic risk assessment | A generic health quiz site |
|---|---|---|---|
| No file upload — runs in your browser | ✓ | N/A | ✗ |
| No sign-up required | ✓ | ✓ | ✗ |
| Free, no watermark | ✓ | ✓ | ✗ |
A clinic-based assessment is more thorough and uses your actual lab results, but takes an appointment to get. Cardiovascular Risk Estimator gives you a rough, private, instant read on the same core risk factors so you know what's worth bringing up at your next visit.