Mean Arterial Pressure Table: Mean arterial pressure by Systolic pressure
Reference table of mean arterial pressure for Mean Arterial Pressure across a range of systolic pressure values — exact, engine-computed figures you can read off at a glance.
Mean Arterial Pressure Calculator
Verified formula Updated Jun 2026 Private — runs on your device
Verified formula
Private
Mean arterial pressure
93.3
For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.
How to use the Mean Arterial Pressure Calculator
The Mean Arterial Pressure Calculator works out your mean arterial pressure in an instant. Enter systolic pressure and diastolic pressure and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.
- Enter the systolic pressure.
- Enter the diastolic pressure.
- Read off your mean arterial pressure — the calculator updates automatically, with no button to press.
Formula
The Mean Arterial Pressure Calculator uses the formula:
Mean arterial pressure = Diastolic pressure + (Systolic pressure - Diastolic pressure) ÷ 3
Worked example
For example, with systolic pressure of 120 mmHg and diastolic pressure of 80 mmHg, the mean arterial pressure is 93.3.
| Systolic pressure | 120 mmHg |
|---|---|
| Diastolic pressure | 80 mmHg |
| Mean arterial pressure | 93.3 |
|---|
Results are estimates for educational use, not professional advice.
Key terms explained
- Mean
- The average of a set of numbers — their sum divided by how many there are.
- Mean arterial pressure
- The average blood pressure in the arteries during one heartbeat (MAP).
Frequently asked questions
MAP is the average pressure in your arteries during one heartbeat. It is estimated as diastolic + (systolic − diastolic) ÷ 3. For 120/80 it is about 93.
MAP reflects the pressure pushing blood to your organs. A MAP that is too low can mean organs are not well perfused.
A MAP between about 70 and 100 mmHg is generally considered normal. Clinicians often aim to keep it above 65 in critical care.
The heart spends about two-thirds of each cycle in diastole, so the formula weights diastolic pressure more heavily than systolic.
The Mean Arterial Pressure Calculator uses the formula: Mean arterial pressure = Diastolic pressure + (Systolic pressure - Diastolic pressure) ÷ 3. For example, with systolic pressure of 120 mmHg and diastolic pressure of 80 mmHg, the mean arterial pressure is 93.3.
Enter the systolic pressure. Enter the diastolic pressure. Read off your mean arterial pressure — the calculator updates automatically, with no button to press.
Related guides
How to Calculate Mean Arterial Pressure: Formula, Steps & Examples
Learn how to calculate Mean Arterial Pressure — the formula explained step by step, with worked examples and a free calculator to check your answer.