Appendix a. – pressure conversion factors, Conversion factors for units of pressure – Ashcroft ATE-100 Handheld LCD Digital Calibrator User Manual
Page 70
- 70-
Revision 4.6 3/2004
APPEnDIX A. – PRESSURE COnVERSIOn FACTORS
COnVERSIOn FACTORS FOR UnITS OF PRESSURE
TO CONVER
T
cmH
2
O
in.H
2
O
ftH
2
O
mmHg
in.Hg
in. sea
ft sea
m sea
FROM TO
psi
mbar
bar
atm
Pa
kPa
@ 20°C
@ 20°C
@ 20°C
@ 0°C
@ 0°C
gm/cm
1
kg/cm
2
water
water
water
psi
1
68.9476
0.0689476
0.0680460
6894.76
6.8947
70.433
27.730
2.3108
51.7149
2.03602
70.030696
0.07030686
26.9484
2.2457
.684482
mbar
0.0145038
1
0.001
9.86923
100
0.100
1.0215
0.40218
0.03352
0.75006
0.0295300
.00101972
0.00101972
.39085
.032571
.0099276
bar
14.5038
1000
1
0.986923
100000
100
1021.5
402.18
33.52
750.06
29.5300
1019.716
1.019716
390.85
32.571
9.9276
atm
14.6959
1013.25
1.01325
1
101325
101.325
1035.08
407.511
35.959
760.0
29.9213
1033.227
1.033227
396.031
33.002
10.0591
Pa
1.45038
0.01
0.00001
9.86923
1
0.001
0.010215
0.0040218
3.352
7.5006
2.95300
.0109716
1.019716
3.9085
3.2571
9.9276
kPa
0.145038
10.0
0.010
0.0098692
1000
1
10.215
4.02118
0.3352
7.5006
0.295300
10.19716
0.0101972
3.9085
0.32571
.099276
cmH
2
O @ 20°C
0.014198
0.97891
9.7891
9.66105
97.891
0.097891
1
0.3937
0.035281
0.73424
0.028907
.99821
9.9821
.382613
0.031884
.0097182
in.H
2
O @ 20°C
0.036063
2.4864
0.0024864
2.45392
248.64
0.24864
2.5400
1
0.083333
1.8650
0.073424
2.5354
0.0025354
.971840
0.080986
.024684
ftH
2
O @ 20°C
0.432756
29.8368
0.0298368
0.0294470
2983.68
2.98368
30.480
12
1
22.380
0.881089
30.425
0.030425
11.6621
0.97183
.29621
mmHg @ 0°C
0.0193368
1.33322
0.0013322
0.00131579
133.322
0.133322
1.3619
0.53620
0.04468
1
0.03937
1.35951
1.35951
.521096
0.043424
.013236
in.Hg @ 0°C
0.491154
33.8639
0.0338639
0.0334211
3386.39
3.38639
34.593
13.619
1.13491
25.400
1
34.5316
0.0345316
13.23581
1.1030
.33619
gm/cm
1
.0142233
.980665
9.80665
9.67842
98.0665
.0980665
1.0018
.3941
.032868
.735559
.028959
1
.001
.383292
.0319410
.0097355
kg/cm
2
14.2233
980.665
0.980665
0.967842
98060.5
98.0665
1001.8
394.41
32.868
735.559
28.959
1000
1
383.292
31.9410
9.7355
in. sea water
.037108
2.55851
2.55851
2.52505
255.851
.255851
2.6136
1.02900
.08575
1.91908
.07555
2.60896
2.60895
1
.08333
.0254
ft sea water
0.4453
30.702
0.030702
0.030301
3070.2
3.0702
31.3638
12.3482
1.02900
23.029
0.90664
31.308
0.031308
12
1
.3048
m sea water
1.46096
100.731
.100730
.099409
10073.0
10.0730
102.90
40.512
3.3760
75.553
2.9745
102.716
.102716
39.37007
3.2606
1
10
-4
10
-4
10
-6
10
-4
10
-3
10
-4
10
-5
10
-4
10
-4
10
-4
10
-4
10
-3
10
-3
10
-3
10
-4
10
-4
10
-3