Blood Pressure Category Calculator (AHA 2017)

How to use

1. Type the systolic and diastolic numbers exactly as your cuff shows them.
2. Press Check reading to get the color-coded AHA 2017 category.
3. Read the plain-English note about what that band usually means.
4. Watch the last-8 log build up below, and clear it anytime.

General information only — not medical, financial or legal advice. Figures cross-checked against public official sources (IRS / HMRC / NHS / WHO guidance); content last reviewed September 2026. For decisions that matter, confirm with a licensed professional in your country.

About this tool

One reading rarely tells the whole story, but every reading deserves a plain interpretation. Enter a systolic and diastolic pair and this calculator sorts it into the American Heart Association 2017 categories — Normal, Elevated, Stage 1, Stage 2, or Hypertensive Crisis — each with a short note on what the band typically means and what usually happens next. Your last eight readings are kept in a small table on this page using the browser local storage, so trends are easier to spot than from a drawer of sticky notes, and nothing is ever transmitted. This is an educational estimate — not medical advice. Home cuffs, cuff size, and clinic visits disagree by a few points, so treat each category as a conversation starter with your clinician, and treat a crisis-range reading as an immediate-care situation.

FAQ

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