Mean Arterial Pressure and Pulse Pressure

Calculates the mean arterial pressure and pulse pressure from your systolic and diastolic blood pressure readings.

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Calculation specification

Reviewed on:

This calculator is not a diagnosis, treatment plan, or prescription. Please consult a qualified clinician about your medical decisions.

Formula basis

Mean arterial pressure = diastolic blood pressure + (systolic blood pressure - diastolic blood pressure) / 3. Pulse pressure = systolic blood pressure - diastolic blood pressure.

Calculation method

Calculates the mean arterial pressure (the effective driving pressure of blood flow) and the pulse pressure (a marker of arterial elasticity) from the systolic and diastolic blood pressure readings.

Exclusions and checks required

  • This is a reference value from a single resting measurement; actual hemodynamics vary with heart rate and measurement conditions.
  • This simplified formula is a standard approximation and can differ from the true mean arterial pressure obtained via invasive arterial line monitoring.

Example input:：Systolic 140, diastolic 90 mmHg

sbp
140
dbp
90

Both values are reference figures from a single reading; an actual diagnosis or treatment decision requires evaluation by a healthcare professional.

FAQ

Who is this calculator for? Mean Arterial Pressure and Pulse Pressure

Calculates the mean arterial pressure and pulse pressure from your systolic and diastolic blood pressure readings.

What values should I enter?

Applies to: Blood pressure & blood

How should I interpret this estimate?

Calculates the mean arterial pressure (the effective driving pressure of blood flow) and the pulse pressure (a marker of arterial elasticity) from the systolic and diastolic blood pressure readings.

How to use

  1. Enter your input values and press Calculate.
  2. Review the result and compare it with expected context.
  3. Mean arterial pressure = diastolic blood pressure + (systolic blood pressure - diastolic blood pressure) / 3. Pulse pressure = systolic blood pressure - diastolic blood pressure.