|
TO CONVERT
FROM TO
|
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
|
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
|
|
|
|
|
|
|
Additional remark: 1
cmH2O = 10 mmH2O
1 Torr = 1 mmHg at 0 ℃ ( 1 mmHg =
0.1 cmHg)
1 psi = 1 lb/in2
1 mmAq = 1 mmH2O = 1 mmW.C.
1 cmHg = 10 mmHg
1 kbar = 1000 bar ( 1 kbar = 100 MPa)
1 Pa = 1 N/m2, 1 kPa = 1 KN/m2 (1 MPa = 1 MN/m2)
