Blood Pressure Calculator
Category, MAP and pulse pressure.
Enter your values
ⓘ Live results
Results
- Category
- Stage 1 hypertension
- Mean arterial pressure
- 97.3 mmHg
- Pulse pressure
- 46 mmHg
- Reading
- 128/82
Quick answer
Normal blood pressure is under 120/80; MAP estimates average perfusion pressure across the cardiac cycle.
MAP = DBP + (SBP − DBP)/3
How to use the Blood Pressure Calculator
- 1Sit still for five minutes before measuring.
- 2Enter the systolic (top) number.
- 3Enter the diastolic (bottom) number.
Worked example
Using the values the calculator loads with:
Inputs
- Systolic128 mmHg
- Diastolic82 mmHg
Results
- CategoryStage 1 hypertension
- Mean arterial pressure97.3 mmHg
- Pulse pressure46 mmHg
- Reading128/82
Frequently asked questions
What is a healthy MAP?
Typically 70–100 mmHg; below 60 risks organ underperfusion.
Should I use one reading?
No — average several readings across different days.
About this calculator
- Built and reviewed by James Whitfield · How we build and test calculators
- Report an error
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.