How many inch of water in 1 mmH2O? The answer is 0.039370079003585. We assume you are converting between inch of water [4 °C] and millimeter of water [4 °C]. You can view more details on each measurement unit: inch of water or mmH2O The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.0040146307866177 inch of water, or 0.10197162129779 mmH2O. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between inches of water and millimeters of water. Type in your own numbers in the form to convert the units!
1 inch of water to mmH2O = 25.4 mmH2O
2 inch of water to mmH2O = 50.8 mmH2O
3 inch of water to mmH2O = 76.2 mmH2O
4 inch of water to mmH2O = 101.6 mmH2O
5 inch of water to mmH2O = 127 mmH2O
6 inch of water to mmH2O = 152.4 mmH2O
7 inch of water to mmH2O = 177.8 mmH2O
8 inch of water to mmH2O = 203.2 mmH2O
9 inch of water to mmH2O = 228.6 mmH2O
10 inch of water to mmH2O = 254 mmH2O
You can do the reverse unit conversion from mmH2O to inch of water, or enter any two units below:
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