Health

Blood Pressure Category Calculator

Check if your blood pressure is normal, elevated, or hypertensive according to the American Heart Association.

Systolic (mmHg)

Diastolic (mmHg)

Your Category

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Method

How this calculator works

Your category is the highest category indicated by either your systolic or diastolic reading.

Enter your systolic blood pressure (the top number).
Enter your diastolic blood pressure (the bottom number).
The calculator evaluates both numbers against AHA guidelines to determine your category.

Examples

Worked examples

Real numbers, end-to-end results.

Systolic: 115, Diastolic: 75

Normal

Both numbers are in the normal range.

Systolic: 135, Diastolic: 80

High Blood Pressure (Stage 1)

Systolic is in the Stage 1 range.

Systolic: 125, Diastolic: 92

High Blood Pressure (Stage 2)

Diastolic is in the Stage 2 range.

Use cases

When to use it

Quickly determine your blood pressure category at home.
Understand if you need to consult a doctor based on your readings.

Disclaimer: This calculator provides estimates for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for decisions affecting your health. Results depend on the accuracy of inputs provided.

FAQ

Frequently asked questions

What is a normal blood pressure?

Normal blood pressure is generally considered to be less than 120 systolic and less than 80 diastolic.

What happens if my systolic and diastolic are in different categories?

Your overall blood pressure category is determined by whichever number is in the higher category. For example, if your systolic is 125 (Elevated) but your diastolic is 85 (Stage 1), you are considered Stage 1.

What should I do if my blood pressure is in the Hypertensive Crisis range?

You should seek immediate medical attention if your blood pressure is consistently over 180 systolic or over 120 diastolic.