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Blood Pressure Category Calculator

top number
bottom number

Result

Calculated result 1.5 Based on the values entered.
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Blood Pressure Category Calculator Find out which blood pressure category your reading falls into using ACC/AHA guidelines. Enter your systolic (top) and diastolic (bottom) numbers and this calculator classifies the result from low through hypertensive cr — free online calculator.

Formula

Category based on ACC/AHA thresholds for systolic and diastolic pressure.
  • Blood Pressure Category Calculator calculates its result from Systolic (top number), Diastolic (bottom number). It uses the formula Category based on ACC/AHA thresholds for systolic and diastolic pressure.. Change any input to recalculate the result instantly. This is an informational calculation and is not medical advice.
  • The main inputs are Systolic, Diastolic. Enter them in the units and format shown in the calculator.
  • Use the measurement units shown beside each field. The result is an estimate and should be interpreted in context.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Blood Pressure Category

Inputs
  • Systolic: 120 top number
  • Diastolic: 80 bottom number

Using Systolic (top number) = 120, Diastolic (bottom number) = 80, the calculated result is 1.5.

Sample result: Calculating…

Frequently asked questions

What does the Blood Pressure Category calculate?

Blood Pressure Category Calculator Find out which blood pressure category your reading falls into using ACC/AHA guidelines. Enter your systolic (top) and diastolic (bottom) numbers and this calculator classifies the result from low through hypertensive cr — free online calculator.

Which values should I enter?

Enter Systolic, Diastolic using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: Category based on ACC/AHA thresholds for systolic and diastolic pressure..

Why might my result differ from another source?

Results can differ because measurement methods, rounding and assumptions vary. This calculator is an estimate and is not a medical diagnosis.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026