Calculate Your MAP
Enter your blood pressure values below to get your Mean Arterial Pressure.
About Mean Arterial Pressure (MAP)
Mean Arterial Pressure (MAP) is a crucial indicator of perfusion pressure to vital organs. It's not a simple average of systolic and diastolic blood pressures because the diastolic phase lasts longer than the systolic phase.
A MAP of about 60 mmHg is generally considered the minimum necessary to maintain adequate perfusion to vital organs such as the brain, coronary arteries, and kidneys. If the MAP falls significantly below this level for an extended period, the organs may not receive enough oxygen, leading to ischemia.
Frequently Asked Questions (FAQ)
A normal Mean Arterial Pressure (MAP) range is typically between 70 and 100 mmHg in healthy adults. This range ensures sufficient blood flow, oxygen, and nutrients are delivered to all vital organs.
A high MAP (above 100 mmHg) suggests that there is excessive pressure in the arteries. This can strain the heart, leading to advanced heart disease, blood clots, heart attack, and stroke over time.
A low MAP (below 60-65 mmHg) can be dangerous. It implies that blood flow to vital organs is compromised, which can lead to shock, ischemia, and organ damage if not corrected promptly.
The most common formula to calculate MAP is: MAP = Diastolic BP + 1/3 (Systolic BP - Diastolic BP). This formula accounts for the fact that the heart spends more time in diastole (relaxation) than in systole (contraction).
Mean Arterial Pressure (MAP) represents the average pressure in a person's arteries during one cardiac cycle. It's a critical indicator of the body's ability to perfuse its vital organs with oxygen-rich blood. Our calculator provides an easy way to determine this value from your blood pressure readings.
To calculate MAP from a blood pressure reading, you need the systolic (SBP) and diastolic (DBP) values. The formula is MAP = DBP + (1/3 * (SBP - DBP)). For example, if your blood pressure is 120/80 mmHg, your MAP would be 80 + (1/3 * (120 - 80)) = 93.3 mmHg. Our online tool automates this calculation for you.
MAP is considered a more accurate indicator of organ perfusion than systolic blood pressure alone. A consistent MAP of at least 60 mmHg is needed to ensure enough blood reaches vital organs like the brain, heart, and kidneys to prevent ischemic damage.
No, "MAP" and "MAP BP" generally refer to the same thing: Mean Arterial Pressure, which is derived from blood pressure (BP). Whether you're asked to "calculate MAP" or "calculate MAP BP," the process and formula are identical. Use our calculator for a quick and accurate result.