How many millimeter water in 1 in H2O? The answer is 25.399999830047. We assume you are converting between millimeter water [4 °C] and inch water [4 °C]. You can view more details on each measurement unit: millimeter water or in H2O The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.10197162129779 millimeter water, or 0.0040146307866177 in H2O. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between millimeters water and inches water. Type in your own numbers in the form to convert the units!
1 millimeter water to in H2O = 0.03937 in H2O
10 millimeter water to in H2O = 0.3937 in H2O
20 millimeter water to in H2O = 0.7874 in H2O
30 millimeter water to in H2O = 1.1811 in H2O
40 millimeter water to in H2O = 1.5748 in H2O
50 millimeter water to in H2O = 1.9685 in H2O
100 millimeter water to in H2O = 3.93701 in H2O
200 millimeter water to in H2O = 7.87402 in H2O
You can do the reverse unit conversion from in H2O to millimeter water, or enter any two units below:
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