Pressure conversion factors

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See also: mass conversion factors, mass per area conversion factors

Multiply units of left column by factor to get units in top row, for example, 1 atmosphere = 1033.3 cm of water.

 

atmosph.

bars

cm of mercury

cm of water

dynes / square cm

atmospheres

1.0000E+00

1.0133E+00

7.6000E+01

1.0333E+03

1.0133E+06

bars

9.8692E-01

1.0000E+00

7.5006E+01

1.0197E+03

1.0000E+06

cm of mercury

1.3158E-02

1.3332E-02

1.0000E+00

1.3595E+01

1.3332E+04

cm of water

9.6781E-04

9.8064E-04

7.3554E-02

1.0000E+00

9.8064E+02

dynes / square cm

9.8692E-07

1.0000E-06

7.5006E-05

1.0197E-03

1.0000E+00

feet of water

2.9468E-02

2.9858E-02

2.2396E+00

3.0448E+01

2.9858E+04

grams / square cm

9.6784E-04

9.8067E-04

7.3556E-02

1.0000E+00

9.8067E+02

hectopascals

9.8692E-04

1.0000E-03

7.5006E-02

1.0197E+00

1.0000E+03

in of mercury at 32°F

3.3421E-02

3.3864E-02

2.5400E+00

3.4532E+01

3.3864E+04

in of mercury at 60°F

3.3327E-02

3.3769E-02

2.5329E+00

3.4435E+01

3.3769E+04

in of water at 39°F

2.4582E-03

2.4908E-03

1.8683E-01

2.5400E+00

2.4908E+03

in of water at 60°F

2.4559E-03

2.4884E-03

1.8665E-01

2.5375E+00

2.4884E+03

kilopascals

9.8692E-03

1.0000E-02

7.5006E-01

1.0197E+01

1.0000E+04

kilopounds / in2

6.8046E+01

6.8948E+01

5.1715E+03

7.0309E+04

6.8948E+07

lbf / ft2

4.7254E-04

4.7880E-04

3.5913E-02

4.8826E-01

4.7880E+02

lbf / in2

6.8046E-02

6.8948E-02

5.1715E+00

7.0309E+01

6.8948E+04

millibars

9.8692E-04

1.0000E-03

7.5006E-02

1.0197E+00

1.0000E+03

mm of mercury at 0°F

1.3158E-03

1.3332E-03

1.0000E-01

1.3595E+00

1.3332E+03

pascals

9.8692E-06

1.0000E-05

7.5006E-04

1.0197E-02

1.0000E+01

torr

1.3158E-03

1.3332E-03

1.0000E-01

1.3595E+00

1.3332E+03

 

 

feet of water

grams / square cm

hecto-pascals

inches of mercury at 32°F

inches of mercury at 60°F

atmospheres

3.3935E+01

1.0332E+03

1.0133E+03

2.9921E+01

3.0006E+01

bars

3.3492E+01

1.0197E+03

1.0000E+03

2.9530E+01

2.9613E+01

cm of mercury

4.4652E-01

1.3595E+01

1.3332E+01

3.9370E-01

3.9481E-01

cm of water

3.2843E-02

9.9997E-01

9.8064E-01

2.8958E-02

2.9040E-02

dynes / square cm

3.3492E-05

1.0197E-03

1.0000E-03

2.9530E-05

2.9613E-05

feet of water

1.0000E+00

3.0447E+01

2.9858E+01

8.8171E-01

8.8420E-01

grams / square cm

3.2844E-02

1.0000E+00

9.8067E-01

2.8959E-02

2.9041E-02

hectopascals

3.3492E-02

1.0197E+00

1.0000E+00

2.9530E-02

2.9613E-02

in of mercury at 32°F

1.1342E+00

3.4531E+01

3.3864E+01

1.0000E+00

1.0028E+00

in of mercury at 60°F

1.1310E+00

3.4434E+01

3.3769E+01

9.9719E-01

1.0000E+00

in of water at 39°F

8.3422E-02

2.5399E+00

2.4908E+00

7.3554E-02

7.3762E-02

in of water at 60°F

8.3341E-02

2.5375E+00

2.4884E+00

7.3483E-02

7.3690E-02

kilopascals

3.3492E-01

1.0197E+01

1.0000E+01

2.9530E-01

2.9613E-01

kilopounds / in2

2.3092E+03

7.0307E+04

6.8948E+04

2.0360E+03

2.0418E+03

lbf / ft2

1.6036E-02

4.8824E-01

4.7880E-01

1.4139E-02

1.4179E-02

lbf / in2

2.3092E+00

7.0307E+01

6.8948E+01

2.0360E+00

2.0418E+00

millibars

3.3492E-02

1.0197E+00

1.0000E+00

2.9530E-02

2.9613E-02

mm of mercury at 0°F

4.4652E-02

1.3595E+00

1.3332E+00

3.9370E-02

3.9481E-02

pascals

3.3492E-04

1.0197E-02

1.0000E-02

2.9530E-04

2.9613E-04

torr

4.4652E-02

1.3595E+00

1.3332E+00

3.9370E-02

3.9481E-02

 

 

inches of water at 39°F

inches of water at 60°F

kilopascals

kilopounds /
square inch

lbf /
square foot

atmospheres

4.0679E+02

4.0719E+02

1.0133E+02

1.4696E-02

2.1162E+03

bars

4.0147E+02

4.0186E+02

1.0000E+02

1.4504E-02

2.0885E+03

cm of mercury

5.3525E+00

5.3577E+00

1.3332E+00

1.9337E-04

2.7845E+01

cm of water

3.9370E-01

3.9408E-01

9.8064E-02

1.4223E-05

2.0481E+00

dynes / square cm

4.0147E-04

4.0186E-04

1.0000E-04

1.4504E-08

2.0885E-03

feet of water

1.1987E+01

1.1999E+01

2.9858E+00

4.3306E-04

6.2360E+01

grams / square cm

3.9371E-01

3.9409E-01

9.8067E-02

1.4223E-05

2.0482E+00

hectopascals

4.0147E-01

4.0186E-01

1.0000E-01

1.4504E-05

2.0885E+00

in of mercury at 32°F

1.3595E+01

1.3609E+01

3.3864E+00

4.9115E-04

7.0726E+01

in of mercury at 60°F

1.3557E+01

1.3570E+01

3.3769E+00

4.8977E-04

7.0527E+01

in of water at 39°F

1.0000E+00

1.0010E+00

2.4908E-01

3.6126E-05

5.2022E+00

in of water at 60°F

9.9903E-01

1.0000E+00

2.4884E-01

3.6091E-05

5.1971E+00

kilopascals

4.0147E+00

4.0186E+00

1.0000E+00

1.4504E-04

2.0885E+01

kilopounds / in2

2.7681E+04

2.7708E+04

6.8948E+03

1.0000E+00

1.4400E+05

lbf / ft2

1.9223E-01

1.9241E-01

4.7880E-02

6.9444E-06

1.0000E+00

lbf / in2

2.7681E+01

2.7708E+01

6.8948E+00

1.0000E-03

1.4400E+02

millibars

4.0147E-01

4.0186E-01

1.0000E-01

1.4504E-05

2.0885E+00

mm of mercury at 0°F

5.3525E-01

5.3577E-01

1.3332E-01

1.9337E-05

2.7845E+00

pascals

4.0147E-03

4.0186E-03

1.0000E-03

1.4504E-07

2.0885E-02

torr

5.3525E-01

5.3577E-01

1.3332E-01

1.9337E-05

2.7845E+00

 

 

lbf / in2

millibars

millimeters of mercury at 0°F

pascals

torr

atmospheres

1.4696E+01

1.0133E+03

7.6000E+02

1.0133E+05

7.6000E+02

bars

1.4504E+01

1.0000E+03

7.5006E+02

1.0000E+05

7.5006E+02

cm of mercury

1.9337E-01

1.3332E+01

1.0000E+01

1.3332E+03

1.0000E+01

cm of water

1.4223E-02

9.8064E-01

7.3554E-01

9.8064E+01

7.3554E-01

dynes / square cm

1.4504E-05

1.0000E-03

7.5006E-04

1.0000E-01

7.5006E-04

feet of water

4.3306E-01

2.9858E+01

2.2396E+01

2.9858E+03

2.2396E+01

grams / square cm

1.4223E-02

9.8067E-01

7.3556E-01

9.8067E+01

7.3556E-01

hectopascals

1.4504E-02

1.0000E+00

7.5006E-01

1.0000E+02

7.5006E-01

in of mercury at 32°F

4.9115E-01

3.3864E+01

2.5400E+01

3.3864E+03

2.5400E+01

in of mercury at 60°F

4.8977E-01

3.3769E+01

2.5329E+01

3.3769E+03

2.5329E+01

in of water at 39°F

3.6126E-02

2.4908E+00

1.8683E+00

2.4908E+02

1.8683E+00

in of water at 60°F

3.6091E-02

2.4884E+00

1.8665E+00

2.4884E+02

1.8665E+00

kilopascals

1.4504E-01

1.0000E+01

7.5006E+00

1.0000E+03

7.5006E+00

kilopounds / in2

1.0000E+03

6.8948E+04

5.1715E+04

6.8948E+06

5.1715E+04

lbf / ft2

6.9444E-03

4.7880E-01

3.5913E-01

4.7880E+01

3.5913E-01

lbf / in2

1.0000E+00

6.8948E+01

5.1715E+01

6.8948E+03

5.1715E+01

millibars

1.4504E-02

1.0000E+00

7.5006E-01

1.0000E+02

7.5006E-01

mm of mercury at 0°F

1.9337E-02

1.3332E+00

1.0000E+00

1.3332E+02

1.0000E+00

pascals

1.4504E-04

1.0000E-02

7.5006E-03

1.0000E+00

7.5006E-03

torr

1.9337E-02

1.3332E+00

1.0000E+00

1.3332E+02

1.0000E+00