Blood Pressure Calculator
Classify your blood pressure reading using AHA guidelines.
Details
Result
Category
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Systolic—
Diastolic—
Pulse pressure—
Mean arterial pressure—
Recommendation—
Blood pressure is measured in mmHg. Normal: below 120/80. Elevated: 120–129 systolic. Stage 1 hypertension: 130–139/80–89. Stage 2: 140+/90+. Hypertensive crisis: 180+/120+. A single reading can be affected by stress, caffeine, or activity — track over time for accuracy.
Frequently asked questions
What is normal blood pressure?
Below 120/80 mmHg is considered normal by AHA guidelines. Readings between 120-129 systolic are considered elevated.
What causes high blood pressure?
Common causes include high salt diet, physical inactivity, obesity, stress, smoking, and genetics. Most cases have no single cause.