Blood Pressure Category Calculator
Classify your blood pressure reading according to AHA/ACC guidelines. Know your category and understand what it means for your health.
How to Use This Blood Pressure Calculator
- Enter your systolic pressure (the top number) from a recent reading.
- Enter your diastolic pressure (the bottom number) from the same reading.
- Click "Classify Blood Pressure" to see your category and health advice.
Blood Pressure Categories (AHA/ACC 2017)
| Category | Systolic (mmHg) | Diastolic (mmHg) | |
|---|---|---|---|
| Normal | Less than 120 | and | Less than 80 |
| Elevated | 120 – 129 | and | Less than 80 |
| High BP Stage 1 | 130 – 139 | or | 80 – 89 |
| High BP Stage 2 | 140 or higher | or | 90 or higher |
| Hypertensive Crisis | Higher than 180 | and/or | Higher than 120 |
Examples
Systolic: 115, Diastolic: 75
Category: Normal — Maintain healthy lifestyle
Systolic: 125, Diastolic: 78
Category: Elevated — Lifestyle changes recommended
Frequently Asked Questions
What is blood pressure?
Blood pressure is the force of blood pushing against your artery walls. Systolic (top number) measures pressure when the heart beats. Diastolic (bottom number) measures pressure between beats. High blood pressure increases risk of heart disease and stroke.
How can I lower my blood pressure?
Lifestyle changes include: reducing sodium intake, exercising regularly, maintaining a healthy weight, limiting alcohol, managing stress, and eating a DASH diet rich in fruits, vegetables, and whole grains. Always consult your doctor before making changes.