Mean Arterial Pressure (MAP) Calculator
Calculate mean arterial pressure from systolic and diastolic blood pressure. Education/reference only.
For Reference & Education Only. Not for Real-world Clinical Use.
This calculator is a study and teaching aid. Do NOTuse it to make real patient care, dosing or treatment decisions. Always confirm every value against a licensed clinician, your institution's approved protocols, the drug label and a validated clinical reference. No warranty of accuracy is given, and no liability is accepted for any use.
MAP = (systolic + 2 × diastolic) ÷ 3. A MAP around 65 mmHg or higher is often cited as needed for organ perfusion — confirm targets clinically.
What Is the Mean Arterial Pressure (MAP) Calculator?
The Mean Arterial Pressure Calculator estimates MAP from a systolic and diastolic blood pressure reading using the standard MAP = (SBP + 2×DBP) ÷ 3 formula. This is a reference and education tool only and must not be used for real-world clinical decisions — always confirm with a licensed clinician, the drug label and your institution's approved protocols.
How It Works
Enter systolic and diastolic values; the estimated MAP appears instantly.
When to Use It
As a quick reference for the MAP formula. Not for clinical decisions — perfusion targets must be set and interpreted clinically.
Frequently Asked Questions
- How is MAP calculated?
- MAP ≈ (systolic + 2 × diastolic) ÷ 3, because roughly two-thirds of the cardiac cycle is spent in diastole.
- Can I use this for patient care?
- No — it's an educational reference only. Confirm readings and targets with clinical judgment and monitoring.
Last reviewed: 2026-06-27