A free calculator turns a few health values into a personalized heart-risk estimate in minutes. See what you need to enter and why each number changes your score.
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Step 1: Add your personal details
Enter age, sex, and basic health facts that the tool asks for. Use accurate numbers within the tool’s input ranges so the result applies to you. Next, add the vital readings that shape risk.
Step 2: Add key health numbers
Include recent blood pressure, cholesterol, smoking and medication status — the calculator depends on these. Confirm units and dates so the score reflects current health. Ready to run the math?
Step 3: Get your risk score
Submit the inputs and the tool produces a percentage estimate based on its model. The result appears instantly and highlights which inputs mattered most. Then learn how to read that percentage.
How to read and use the result
Treat the percentage as an estimate, not a diagnosis. Check the calculator’s labels and limits, and discuss high or surprising results with a clinician. Want to know accuracy and caveats?
Read the full PREVENT guide
Find a step-by-step walkthrough, tips for accurate inputs, and clear limits of what the calculator can — and can’t — tell you.