Mean Arterial Pressure (MAP) Calculator
MAP and pulse pressure from your blood pressure
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Mean arterial pressure (MAP) is the average pressure in your arteries over one heartbeat and reflects organ perfusion better than systolic pressure alone. It is calculated as the diastolic pressure plus one third of the pulse pressure (the gap between systolic and diastolic). A MAP of roughly 70–100 mmHg is generally considered adequate to perfuse vital organs. Enter your systolic and diastolic readings to get your MAP and pulse pressure — for information only, not a substitute for medical advice.
Estimate only, not a diagnosis. A single reading varies — discuss blood pressure with your doctor.
Frequently Asked Questions
- What is mean arterial pressure (MAP)?
- Mean arterial pressure is the average pressure in your arteries during one cardiac cycle, and it reflects how well blood perfuses your organs. It is estimated as diastolic pressure plus one-third of the pulse pressure (systolic minus diastolic).
- How do I calculate MAP from my blood pressure?
- Enter your systolic and diastolic readings, and the calculator applies MAP = diastolic + (systolic − diastolic) / 3. It also reports your pulse pressure, the gap between the two numbers, with a simple interpretation.
- What is a normal mean arterial pressure?
- A normal MAP is generally between 70 and 100 mmHg, which is considered adequate to perfuse vital organs. Values below about 60 mmHg may indicate insufficient blood flow, so a persistently low or high MAP warrants medical attention.