How many mmH2O in 1 inch water? The answer is 25.399999830047. We assume you are converting between millimeter of water [4 °C] and inch water [4 °C]. You can view more details on each measurement unit: mmH2O or inch water The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.10197162129779 mmH2O, or 0.0040146307866177 inch water. 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 water. Type in your own numbers in the form to convert the units!
1 mmH2O to inch water = 0.03937 inch water
10 mmH2O to inch water = 0.3937 inch water
20 mmH2O to inch water = 0.7874 inch water
30 mmH2O to inch water = 1.1811 inch water
40 mmH2O to inch water = 1.5748 inch water
50 mmH2O to inch water = 1.9685 inch water
100 mmH2O to inch water = 3.93701 inch water
200 mmH2O to inch water = 7.87402 inch water
You can do the reverse unit conversion from inch water to mmH2O, or enter any two units below:
ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 70 kg, 150 lbs, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!