PRESSURE CONVERSIONS
inches
water
("w.c.)
ounces
sq in
(osi)
lb/sq in
(psi)
inches
mercury
("Hg)
millibars
(mbar)
kilograms/
sq cm
(kg/cm2)
millimeters
water
(mmH20)
kilo-pascals
(kPa)
0.1
0.058
0.004
0.007
0.25
0.0003
2.54
0.02
0.2
0.115
0.007
0.015
0.5
0.0005
5.08
0.05
0.5
0.29
0.018
0.037
1.24
0.0013
12.7
0.12
1
0.58
0.036
0.074
2.49
0.0025
25.4
0.25
2
1.15
0.072
0.147
4.98
0.0051
50.8
0.5
3
1.73
0.108
0.221
7.46
0.0076
76.2
0.75
4
2.31
0.144
0.294
9.95
0.01
101.6
1
5
2.89
0.181
0.368
12.5
0.013
127
1.25
6
3.46
0.216
0.441
14.9
0.015
152.4
1.49
7
4.04
0.253
0.515
17.4
0.018
177.8
1.74
8
4.62
0.289
0.588
19.9
0.02
203.2
1.99
9
5.2
0.325
0.662
22.4
0.023
228.6
2.24
10
5,77
0.361
0.735
24.9
0.025
254
2.49
11
6.35
0.397
0.809
27.4
0.028
279.4
2.74
12
6.93
0.433
0.882
29.9
0.03
304.8
2.99
13
7.51
0.469
0.956
32.4
0.033
330.2
3.24
14
8.08
0.505
1.03
34.9
0.036
355.6
3.49
15
8.66
0.541
1.1
37.4
0.038
381
3.74
16
9.24
0.578
1.18
39.8
0.041
406.4
3.98
17
9.82
0.614
1.25
42.3
0.043
431.8
4.23
18
10.39
0.649
1.32
44.8
0.046
457.2
4.48
19
10.97
0.686
1.4
47.3
0.048
482.6
4.73
20
11.55
0.722
1.47
49.8
0.051
508
4.98
21
12.12
0.758
1.54
52.3
0.053
533
5.23
22
12.7
0.794
1.62
54.8
0.056
559
5.48
23
13.28
0.83
1.69
57.3
0.058
584
5.73
24
13.86
0.866
1.76
59.7
0.061
610
5.98
25
14.43
0.902
1.84
62.3
0.064
635
6.23
26
15.01
0.938
1.91
64.7
0.066
660
6.47
27
15.59
0.974
1.99
67.2
0.069
686
6.72
28
16.17
1.01
2.06
69.7
0.071
711
6.97


© Gasco