Blood Pressure Checker — Understand Your Numbers (AHA Categories)

How to use

1. Sit correctly — 5 minutes still, back supported, cuff at heart level, no coffee 30 min before.
2. Enter systolic & diastolic — e.g. 118/76; take 2-3 readings a few minutes apart.
3. Read the category — AHA classification plus sensible next-step guidance.

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

Blood pressure is two numbers: systolic (artery pressure during a beat) over diastolic (between beats), measured in mmHg. This checker classifies any reading into the five American Heart Association categories — Normal (<120/<80), Elevated, Hypertension Stage 1, Stage 2, and Hypertensive Crisis — using the rule AHA actually uses (whichever number pushes you into a higher category wins). You get what each category means, home-monitoring tips that prevent false alarms, and honest red flags: this is education, not diagnosis — high readings need a clinician.

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