Blood Pressure Calculator – Classification and Risk
Classify your blood pressure reading and understand cardiovascular health risk.
❤️ Health📐
Systolic pressure (mmHg)
Diastolic pressure (mmHg)
Please enter valid values.
Formula & Reference
| Variable | Formula | Units |
|---|---|---|
| Blood Pressure Calculator – Classification and Risk | result |
Step-by-Step Examples
Example 1
120/80
- Normal blood pressure | Maintain healthy habits
✓ Normal
Example 2
135/88
- High Blood Pressure Stage 1 | See doctor
✓ Stage 1 Hypertension
Example 3
180/110
- HYPERTENSIVE CRISIS — seek emergency care immediately!
✓ EMERGENCY
Real-World Applications
Everyone
Understand what your BP reading means.
Patients
Check classifications against medical norms.
Nurses
Quick BP classification reference.
Seniors
Monitor blood pressure for safety.
Common Mistakes to Avoid
⚠️
One reading is not enough
Blood pressure varies throughout the day. A diagnosis requires multiple readings at different times.
⚠️
Home monitors may differ
Home blood pressure monitors can vary from clinic readings. Use validated devices and consistent technique.
Frequently Asked Questions
What is normal blood pressure? ▾
Less than 120/80 mmHg. Elevated: 120-129/<80. Stage 1 hypertension: 130-139 or 80-89.
What causes high blood pressure? ▾
Age, genetics, obesity, high sodium diet, physical inactivity, stress, smoking, alcohol, kidney disease.
Lower blood pressure naturally? ▾
Reduce sodium (<2,300mg/day), exercise regularly, maintain healthy weight, limit alcohol, quit smoking, reduce stress.