Inches of Mercury to Millimeters of water conversion calculator

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1inHg = 345.31558mm H2O

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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 Mercury to Millimeters of water conversion formula

Inches of Mercury to Millimeters of water conversion formula

Millimeters of water = Inches of Mercury * 345.31557668

1 Inches of Mercury to Millimeters of water calculation

Millimeters of water = Inches of Mercury * 345.31557668

Millimeters of water = 1 * 345.31557667501

Millimeters of water = 345.31558

Millimeters of water to Inches of Mercury (Swap units)

Inches of Mercury

Inches of Mercury (inHg) are used to measure pressure in the imperial system. Traditionally this unit is used in the United States for barometric pressure in weather reports. It is the pressure from a column of mercury exactly one inch high at standard gravity.

mm of water

The millimeter of water (mmH₂O) is a unit of pressure exerted by a 1 millimeter column of water at 4 degrees Celsius under standard gravity.

 

 

Inches of Mercury to Millimeters of water table

Starting value
Increment
Accuracy
Inches of Mercury
Millimeters of water
0inHg
0.00000mm H2O
1inHg
345.31558mm H2O
2inHg
690.63115mm H2O
3inHg
1,035.94673mm H2O
4inHg
1,381.26231mm H2O
5inHg
1,726.57788mm H2O
6inHg
2,071.89346mm H2O
7inHg
2,417.20904mm H2O
8inHg
2,762.52461mm H2O
9inHg
3,107.84019mm H2O
10inHg
3,453.15577mm H2O
11inHg
3,798.47134mm H2O
12inHg
4,143.78692mm H2O
13inHg
4,489.10250mm H2O
14inHg
4,834.41807mm H2O
15inHg
5,179.73365mm H2O
16inHg
5,525.04923mm H2O
17inHg
5,870.36480mm H2O
18inHg
6,215.68038mm H2O
19inHg
6,560.99596mm H2O
Inches of Mercury
Millimeters of water
20inHg
6,906.31153mm H2O
21inHg
7,251.62711mm H2O
22inHg
7,596.94269mm H2O
23inHg
7,942.25826mm H2O
24inHg
8,287.57384mm H2O
25inHg
8,632.88942mm H2O
26inHg
8,978.20499mm H2O
27inHg
9,323.52057mm H2O
28inHg
9,668.83615mm H2O
29inHg
10,014.15172mm H2O
30inHg
10,359.46730mm H2O
31inHg
10,704.78288mm H2O
32inHg
11,050.09845mm H2O
33inHg
11,395.41403mm H2O
34inHg
11,740.72961mm H2O
35inHg
12,086.04518mm H2O
36inHg
12,431.36076mm H2O
37inHg
12,776.67634mm H2O
38inHg
13,121.99191mm H2O
39inHg
13,467.30749mm H2O
Inches of Mercury
Millimeters of water
40inHg
13,812.62307mm H2O
41inHg
14,157.93864mm H2O
42inHg
14,503.25422mm H2O
43inHg
14,848.56980mm H2O
44inHg
15,193.88537mm H2O
45inHg
15,539.20095mm H2O
46inHg
15,884.51653mm H2O
47inHg
16,229.83210mm H2O
48inHg
16,575.14768mm H2O
49inHg
16,920.46326mm H2O
50inHg
17,265.77883mm H2O
51inHg
17,611.09441mm H2O
52inHg
17,956.40999mm H2O
53inHg
18,301.72556mm H2O
54inHg
18,647.04114mm H2O
55inHg
18,992.35672mm H2O
56inHg
19,337.67229mm H2O
57inHg
19,682.98787mm H2O
58inHg
20,028.30345mm H2O
59inHg
20,373.61902mm H2O
Inches of Mercury
Millimeters of water
60inHg
20,718.93460mm H2O
61inHg
21,064.25018mm H2O
62inHg
21,409.56575mm H2O
63inHg
21,754.88133mm H2O
64inHg
22,100.19691mm H2O
65inHg
22,445.51248mm H2O
66inHg
22,790.82806mm H2O
67inHg
23,136.14364mm H2O
68inHg
23,481.45921mm H2O
69inHg
23,826.77479mm H2O
70inHg
24,172.09037mm H2O
71inHg
24,517.40594mm H2O
72inHg
24,862.72152mm H2O
73inHg
25,208.03710mm H2O
74inHg
25,553.35267mm H2O
75inHg
25,898.66825mm H2O
76inHg
26,243.98383mm H2O
77inHg
26,589.29940mm H2O
78inHg
26,934.61498mm H2O
79inHg
27,279.93056mm H2O