Pressure conversion chart


Convert various units of pressure from psi, mbar, bar, atm, Pa, kPa, MPa, cmH2O @20°C , in H2O @20°C , ft H2O @20°C, mm Hg (Torr) @0°C , in Hg  @0°C, kg/cm2 and ft.sea water 

 CONVERT

psi

mbar

bar

atm

Pa

kPa

MPa

cmH2O
@20°C

in H2O
@20°C

ft H2
@20°C

mm Hg
( Torr )
@0°C

in Hg 
@0°C

kg/cm2

ft.sea water

psi

1

68.9476

0.0689476

0.0680460

6894.76

6.89476

6.89476 x 10-3

70.433

27.730

2.3108

51.7149

2.03602

0.0703069

2.2457

mbar

0.0145038

1

0.001

9.86923 x 10-4

100

0.1

0.0001

1.0215

0.40218

0.03352

0.75006

0.02953

0.0010197

0.032571

bar

14.5038

1000

1

0.986923

100000

100

0.1

1021.5

402.18

33.52

750.06

29.5300

1.019716

32.571

atm

14.6959

1013.25

1.01325

1

101325

101.325

0.101325

1035.08

407.511

35.959

760.0

29.9213

1.033227

33.002

Pa

1.45038 x 10-4

0.01

0.00001

9.86923 x 10-6

1

0.001

0.000001

0.010215

0.0040218

3.352 x 10-4

7.5006 x 10-3

2.95300 x 10-4

1.019716 x 10-5

3.2571 x 10-4

kPa

0.145038

10.0

0.01

0.0098692

1000

1

0.001

10.215

4.02118

0.3352

7.5006

0.295300

0.0101972

0.32571

MPa

145.038

10000

10

9.8692

1000000

1000

1

10215

4021.18

335.2

7500.6

295.300

10.1972

325.71

cm H2O @20°C

0.14198

0.97891

9.7891 x 10-4

9.66105 x 10-4

97.891

0.097891

9.7891 x 10-5

1

0.3937

0.035281

0.73424

0.028907

9.9821 x 10-4

0.031884

in H2O @20°C

0.036063

2.4864

0.0024864

2.45392 x 10-3

248.64

0.24864

2.4864 x 10-4

2.5400

1

0.083333

1.8650

0.073424

0.0025354

0.080986

ft H2O @20°C

0.432756

29.8368

0.0298368

0.294470

2983.68

2.98368

2.98368 x 10-3

30.480

12

1

22.380

0.881089

0.030425

0.97183

mm Hg  @0°C

0.0193368

1.33322

0.0013332

0.0013158

133.322

0.133322

1.33322 x 10-4

1.3619

0.53620

0.04468

1

0.03937

0.0013595

0.043424

in Hg  @0°C

0.491154

33.8639

0.0338639

0.0334211

3386.39

3.38639

3.38639 x 10-3

34.593

13.619

1.13491

25.400

1

0.0345316

1.1030

kg/cm2

14.2233

980.665

0.980665

0.967842

98060.5

98.0665

0.0980665

1001.8

394.41

32.868

735.559

28.959

1

31.9410

ft.sea water

0.4453

30.702

0.030702

0.030301

3070.2

3.0702

3.0702 x 10-3

31.3638

12.3482

1.02900

23.029

0.90664

0.031308

1