MAP Calculator

Calculate mean arterial pressure from systolic and diastolic blood pressure. Free online calculator with formulas and step-by-step solutions.

Key formula

MAP = DBP + (SBP - DBP)/3

About this tool

Mean arterial pressure gives a useful summary of blood pressure over a cardiac cycle. This calculator helps users move beyond a two-number blood-pressure reading and see how an average perfusion-oriented estimate is constructed.

How to use this calculator

  1. Enter realistic personal values and double-check the chosen unit system before calculating.
  2. Use the result as a planning estimate, not as a diagnosis or guaranteed outcome.
  3. Compare the output with your goal, context, and any relevant professional guidance.
  4. Review the steps to understand how the estimate was produced from your inputs.

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