Enter the atmospheric pressure and gauge press into the calculator to determine the absolute pressure.

Absolute Pressure Calculator

Absolute / Gauge
Vacuum

Enter any 2 values to calculate the missing variable.

Absolute Pressure Formula

The follow equation is used to calculate an absolute pressure.

Pa = Pg + Pat
  • Where Pa is the absolute pressure
  • Pg is the gauge pressure
  • Pat is the atmospheric pressure

To calculate the absolute pressure, simply sum the gauge and atmospheric pressures together.

Absolute Pressure Definition

Absolute pressure is defined as the sum of the atmospheric pressure and gauge pressure.

Absolute Pressure Example

How to calculate absolute pressure?

  1. First, determine the gauge pressure.

    Calculate the gauge pressure.

  2. Next, determine the atmospheric pressure.

    Calculate the atmospheric pressure.

  3. Finally, calculate the absolute pressure.

    Calculate the absolute pressure using the formula above.

FAQ