Pressure Conversion Chart

Inches of H2O to PSI
in/H 2 O
P.S.I.
in/H 2 O
P.S.I.
in/H 2 O
P.S.I.
in/H 2 O
P.S.I.
0.1
0.0036
26
0.9384
51
1.841
76
2.743
0.2
0.0072
27
0.9745
52
1.877
77
2.779
0.4
0.0144
28
1.01
53
1.913
78
2.815
0.6
0.0216
29
1.047
54
1.949
79
2.851
0.8
0.0289
30
1.083
55
1.985
80
2.887
1
0.0361
31
1.119
56
2.021
81
2.923
2
0.0722
32
1.155
57
2.057
82
2.959
3
0.1083
33
1.191
58
2.093
83
2.996
4
0.1444
34
1.227
59
2.129
84
3.032
5
0.1804
35
1.263
60
2.165
85
3.068
6
0.2165
36
1.299
61
2.202
86
3.104
7
0.2526
37
1.335
62
2.238
87
3.14
8
0.2887
38
1.371
63
2.274
88
3.176
9
0.3248
39
1.408
64
2.31
89
3.212
10
0.3609
40
1.444
65
2.346
90
3.248
11
0.397
41
1.48
66
2.382
91
3.284
12
0.4331
42
1.516
67
2.418
92
3.32
13
0.4692
43
1.552
68
2.454
93
3.356
14
0.5053
44
1.588
69
2.49
94
3.392
15
0.5414
45
1.624
70
2.526
95
3.429
16
0.5774
46
1.66
71
2.562
96
3.465
17
0.6136
47
1.696
72
2.598
97
3.501
18
0.6496
48
1.732
73
2.635
98
3.537
19
0.6857
49
1.768
74
2.671
99
3.573
20
0.7218
50
1.804
75
2.707
100
3.609
21
0.7579
 
 
 
 
 
 
22
0.794
 
 
 
 
 
 
23
0.8301
 
 
 
 
 
 
24
0.8662
 
 
 
 
 
 
25
0.9023