Inches of Water to Atmospheres

Inches of Water to Atmospheres conversion calculator

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Atmospheres to Inches of Water (Swap units)

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1in H20 = 0.00246atm

Note: You can increase or decrease the accuracy of this answer by selecting the number of significant figures required from the options above the result.

Inches of Water to Atmospheres conversion formula

Atmospheres = Inches of Water / 406.78186729

Inches of Water to Atmospheres calculation

Atmospheres = Inches of Water / 406.78186729

Atmospheres = 1 / 406.78249468297

Atmospheres = 0.00246

Inches of water

Inches of water (inH₂O) is a pressure unit from the Imperial system. An inch of water is defined as the pressure from a one inch column of water at 4°C (39.2°F) (which is the temperature at which water is densest).

Atmospheres

The atmosphere (atm) is a unit of pressure being equal to 101,325 pascals. It is based on the average atmospheric pressure at sea level on Earth.

 

Inches of Water to Atmospheres table

Starting value
Increment
Accuracy
Inches of Water
Atmospheres
0in H20
0.00000atm
1in H20
0.00246atm
2in H20
0.00492atm
3in H20
0.00737atm
4in H20
0.00983atm
5in H20
0.01229atm
6in H20
0.01475atm
7in H20
0.01721atm
8in H20
0.01967atm
9in H20
0.02212atm
10in H20
0.02458atm
11in H20
0.02704atm
12in H20
0.02950atm
13in H20
0.03196atm
14in H20
0.03442atm
15in H20
0.03687atm
16in H20
0.03933atm
17in H20
0.04179atm
18in H20
0.04425atm
19in H20
0.04671atm
Inches of Water
Atmospheres
20in H20
0.04917atm
21in H20
0.05162atm
22in H20
0.05408atm
23in H20
0.05654atm
24in H20
0.05900atm
25in H20
0.06146atm
26in H20
0.06392atm
27in H20
0.06637atm
28in H20
0.06883atm
29in H20
0.07129atm
30in H20
0.07375atm
31in H20
0.07621atm
32in H20
0.07867atm
33in H20
0.08112atm
34in H20
0.08358atm
35in H20
0.08604atm
36in H20
0.08850atm
37in H20
0.09096atm
38in H20
0.09342atm
39in H20
0.09587atm
Inches of Water
Atmospheres
40in H20
0.09833atm
41in H20
0.10079atm
42in H20
0.10325atm
43in H20
0.10571atm
44in H20
0.10817atm
45in H20
0.11062atm
46in H20
0.11308atm
47in H20
0.11554atm
48in H20
0.11800atm
49in H20
0.12046atm
50in H20
0.12292atm
51in H20
0.12537atm
52in H20
0.12783atm
53in H20
0.13029atm
54in H20
0.13275atm
55in H20
0.13521atm
56in H20
0.13767atm
57in H20
0.14012atm
58in H20
0.14258atm
59in H20
0.14504atm
Inches of Water
Atmospheres
60in H20
0.14750atm
61in H20
0.14996atm
62in H20
0.15242atm
63in H20
0.15487atm
64in H20
0.15733atm
65in H20
0.15979atm
66in H20
0.16225atm
67in H20
0.16471atm
68in H20
0.16717atm
69in H20
0.16962atm
70in H20
0.17208atm
71in H20
0.17454atm
72in H20
0.17700atm
73in H20
0.17946atm
74in H20
0.18192atm
75in H20
0.18437atm
76in H20
0.18683atm
77in H20
0.18929atm
78in H20
0.19175atm
79in H20
0.19421atm