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from Inch of water to Milimeter of water

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Inch of water to Milimeter of water Conversion Table#

In this table you can find unit conversions from Inch of water (inH₂O) to Milimeter of water (mmH₂O), both units of Pressure.

The Inch of water (inH₂O) values range from 1 to 10. The equivalent Milimeter of water (mmH₂O) values are expressed in scientific notation for convenience and consistent precision.

inH₂O
mmH₂O (Standard)
mmH₂O (Scientific)
1
25.399999
2.540000e+1
2
50.799998
5.080000e+1
3
76.199997
7.620000e+1
4
101.599996
1.016000e+2
5
126.999995
1.270000e+2
6
152.399994
1.524000e+2
7
177.799993
1.778000e+2
8
203.199992
2.032000e+2
9
228.599991
2.286000e+2
10
253.999990
2.540000e+2
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