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How many inch of water column in 1 mm H2O? The answer is 0.039370079003585. We assume you are converting between inch of water column and millimeter water [4 °C]. You can view more details on each measurement unit: inch of water column or mm H2O The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.0040146307866177 inch of water column, or 0.10197162129779 mm H2O. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between inches water column and millimeters water. Type in your own numbers in the form to convert the units!

Quick conversion chart of inch of water column to mm H2O

1 inch of water column to mm H2O = 25.4 mm H2O

2 inch of water column to mm H2O = 50.8 mm H2O

3 inch of water column to mm H2O = 76.2 mm H2O

4 inch of water column to mm H2O = 101.6 mm H2O

5 inch of water column to mm H2O = 127 mm H2O

6 inch of water column to mm H2O = 152.4 mm H2O

7 inch of water column to mm H2O = 177.8 mm H2O

8 inch of water column to mm H2O = 203.2 mm H2O

9 inch of water column to mm H2O = 228.6 mm H2O

10 inch of water column to mm H2O = 254 mm H2O

Want other units?

You can do the reverse unit conversion from mm H2O to inch of water column, or enter any two units below:

Common pressure conversions

inch of water column to kilogram-force/square millimeter inch of water column to attobar inch of water column to poundal/square foot inch of water column to centipascal inch of water column to centibar inch of water column to centihg inch of water column to newton/square meter inch of water column to barye inch of water column to pound/square inch inch of water column to decitorr

Metric conversions and more

[BLOGURL] 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, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!

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