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Pressure Conversion Factors Table


This table shows the factors for doing various pressure conversions. Many are uncommon but have specific uses for certain situations.

Convert From Convert To Multiply By
atmosphere, standard (atm) pascal (Pa) 1.01325 E+05
atmosphere, standard (atm) kilopascal (kPa) 1.01325 E+02
atmosphere, technical (at) pascal (Pa) 9.80665 E+04
atmosphere, technical (at) kilopascal (kPa) 9.80665 E+01
bar (bar) pascal (Pa) 1.0 E+05
bar (bar) kilopascal (kPa) 1.0 E+02
centimeter of mercury (0 C) pascal (Pa) 1.33322 E+03
centimeter of mercury (0 C) kilopascal (kPa) 1.33322 
centimeter of mercury, conventional (cmHg) pascal (Pa) 1.333224 E+03
centimeter of mercury, conventional (cmHg) kilopascal (kPa) 1.333224 
centimeter of water (4 C) pascal (Pa) 9.80638 E+01
centimeter of water, conventional (cmH2O) pascal (Pa) 9.80665 E+01
dyne per square centimeter (dyn/cm2) pascal (Pa) 1.0 E-01
foot of mercury, conventional (ftHg) pascal (Pa) 4.063666 E+04
foot of mercury, conventional (ftHg) kilopascal (kPa) 4.063666 E+01
foot of water (39.2 F) pascal (Pa) 2.98898 E+03
foot of water (39.2 F) kilopascal (kPa) 2.98898 
foot of water, conventional (ftH2O) pascal (Pa) 2.989067 E+03
foot of water, conventional (ftH2O) kilopascal (kPa) 2.989067 
gram-force per square centimeter (gf/cm2) pascal (Pa) 9.80665 E+01
inch of mercury (32 F) pascal (Pa) 3.38638 E+03
inch of mercury (32 F) kilopascal (kPa) 3.38638 
inch of mercury (60 F) pascal (Pa) 3.37685 E+03
inch of mercury (60 F) kilopascal (kPa) 3.37685 
inch of mercury, conventional (inHg) pascal (Pa) 3.386389 E+03
inch of mercury, conventional (inHg) kilopascal (kPa) 3.386389 
inch of water (39.2 F) pascal (Pa) 2.49082 E+02
inch of water (60 F) pascal (Pa) 2.4884 E+02
inch of water, conventional (inH2O) pascal (Pa) 2.490889 E+02
kilogram-force per square centimeter (kgf/cm2) pascal (Pa) 9.80665 E+04
kilogram-force per square centimeter (kgf/cm2) kilopascal (kPa) 9.80665 E+01
kilogram-force per square meter (kgf/m2) pascal (Pa) 9.80665 
kilogram-force per square millimeter (kgf/mm2) pascal (Pa) 9.80665 E+06
kilogram-force per square millimeter (kgf/mm2) megapascal (MPa) 9.80665 
kip per square inch (ksi) (kip/in2) pascal (Pa) 6.894757 E+06
kip per square inch (ksi) (kip/in2) kilopascal (kPa) 6.894757 E+03
millibar (mbar) pascal (Pa) 1.0 E+02
millibar (mbar) kilopascal (kPa) 1.0 E-01
millimeter of mercury, conventional (mmHg) pascal (Pa) 1.333224 E+02
millimeter of water, conventional (mmH2O) pascal (Pa) 9.80665 
poundal per square foot pascal (Pa) 1.488164 
pound-force per square foot (lbf/ft2) pascal (Pa) 4.788026 E+01
pound-force per square inch (psi) (lbf/in2) pascal (Pa) 6.894757 E+03
pound-force per square inch (psi) (lbf/in2) kilopascal (kPa) 6.894757 
psi (pound-force per square inch) (lbf/in2) pascal (Pa) 6.894757 E+03
psi (pound-force per square inch) (lbf/in2) kilopascal (kPa) 6.894757 
torr (Torr) pascal (Pa) 1.333224 E+02
Updated 8.12.11

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