How many millimeter of water in 1 inH2O? The answer is 25.399999830047. We assume you are converting between millimeter of water [4 °C] and inch of water [4 °C]. You can view more details on each measurement unit: millimeter of water or inH2O The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.10197162129779 millimeter of water, or 0.0040146307866177 inH2O. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between millimeters of water and inches of water. Type in your own numbers in the form to convert the units!
1 millimeter of water to inH2O = 0.03937 inH2O
10 millimeter of water to inH2O = 0.3937 inH2O
20 millimeter of water to inH2O = 0.7874 inH2O
30 millimeter of water to inH2O = 1.1811 inH2O
40 millimeter of water to inH2O = 1.5748 inH2O
50 millimeter of water to inH2O = 1.9685 inH2O
100 millimeter of water to inH2O = 3.93701 inH2O
200 millimeter of water to inH2O = 7.87402 inH2O
You can do the reverse unit conversion from inH2O to millimeter of water, or enter any two units below:
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