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Vacuum to Suction Pressure Calculator

Barometric & Vacuum Values
Pbaro [?]
Pvac [?]
Suction Pressure (Pbaro - Pvac = Psuction)
Psuction [?]

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Featured vacuum range measurement products

  • DPS200 HVAC Differential Pressure Transmitter - Differential air pressure sensor with a 10 volt or a 4-20mA output for building ventilation applications. Ranges from 0 to 6 mbar up to 0 to 1000 mbar.
  • ATEX approved negative 10 mbar vacuum pressure transmitter - ATEX certified intrinsically safe pressure transmitter for measuring from 0 to minus 10 millibar gauge vacuum pressure.

Related Tools

  • Calculate vacuum pressure from barometric and suction pressure
  • Convert pressure to different units

Contents

Toggle
  • User Guide
    • Pbaro – Barometric Pressure
    • Pvac – Vacuum
    • Psuction – Suction Pressure

User Guide

This tool will calculate the suction pressure by subtracting the vacuum pressure reading from the barometric pressure reading you entered and convert any combination of pressure units for each pressure value. For more information please refer to our vacuum & suction pressure guide.

Pbaro – Barometric Pressure

Enter the barometric pressure and select the associated pressure units directly underneath.  The barometric pressure should be measured at the same location and time as the absolute referenced vacuum pressure was measured. For more information please refer to our barometric pressure guide.

Pvac – Vacuum

Enter the vacuum as an absolute referenced pressure reading and select the associated pressure units directly underneath. For more information please refer to our vacuum guide.

Psuction – Suction Pressure

The suction pressure is calculated by subtracting the vacuum from the barometric pressure, and will appear once the required pressure units are selected directly underneath. The suction pressure will display as a positive value. For more information please refer to our suction pressure guide.

Featured suction range measurement products

  • DMK457 Marine Approved Pressure Transmitter - Marine approved pressure transmitter with 4-20mA current loop output for shipbuilding with optional CuNiFe housing for sea-water compatibility
  • DPS Low Differential Pressure Transmitter DPS Low Differential Pressure Transmitter - Ultra low differential pressure transmitter for HVAC applications with 4-20mA current loop or amplified voltage output signal in pressure ranges from 0.1 mb up to 1 bar differential.

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Wirelessly Measure & Log Pressure

Use this battery powered wireless pressure sensor to transmit readings to a receiver connected to USB, RS485, RS232, cellular network or analog output

Use this battery powered wireless pressure sensor to transmit readings to a receiver connected to USB, RS485, RS232, cellular network or analog output
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