›› Convert inch of water column to millimeter water [4 °C]


inch water column
millimeter water


›› More information from the unit converter

How many inch water column in 1 millimeter water? 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 water column or millimeter water
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.0040146307866177 inch water column, or 0.10197162129779 millimeter water.
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 water column to millimeter water

1 inch water column to millimeter water = 25.4 millimeter water

2 inch water column to millimeter water = 50.8 millimeter water

3 inch water column to millimeter water = 76.2 millimeter water

4 inch water column to millimeter water = 101.6 millimeter water

5 inch water column to millimeter water = 127 millimeter water

6 inch water column to millimeter water = 152.4 millimeter water

7 inch water column to millimeter water = 177.8 millimeter water

8 inch water column to millimeter water = 203.2 millimeter water

9 inch water column to millimeter water = 228.6 millimeter water

10 inch water column to millimeter water = 254 millimeter water



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

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›› Common pressure conversions

inch water column to micropascal
inch water column to terabar
inch water column to kilopond/square centimeter
inch water column to exabar
inch water column to nanobar
inch water column to pound/square inch
inch water column to water column
inch water column to kilobar
inch water column to centihg
inch water column to kip/square foot


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