Pressure Units Table

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Symbols

Units

Values as related to 1 Atmosphere of Pressure

Milliliters of Mercury

mmHg

760 mm Hg to 1atm

Pascal

Pa

1.01325 X 105 Pa to 1 Atm

 

Kilopascal

kPa

101.325 kPa to 1 atm

Atmospheres

Atm

1 Atm equals 1 Atm

Torr

torr

1mm Hg = 1 torr so 760 torr equals 1 Atm

Barr

bar

1 bar equals 1.01325 Atm

Pounds Per Square Inch

Psi

14.7 Psi to 1 Atm