## ››Convert inch water [4 °C] to millibar

 inch H2O millibar

How many inch H2O in 1 millibar? The answer is 0.40146307866177.
We assume you are converting between inch water [4 °C] and millibar.
You can view more details on each measurement unit:
inch H2O or millibar
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.0040146307866177 inch H2O, or 0.01 millibar.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between inches water and millibars.
Type in your own numbers in the form to convert the units!

## ››Quick conversion chart of inch H2O to millibar

1 inch H2O to millibar = 2.49089 millibar

5 inch H2O to millibar = 12.45445 millibar

10 inch H2O to millibar = 24.90889 millibar

15 inch H2O to millibar = 37.36334 millibar

20 inch H2O to millibar = 49.81778 millibar

25 inch H2O to millibar = 62.27223 millibar

30 inch H2O to millibar = 74.72667 millibar

40 inch H2O to millibar = 99.63556 millibar

50 inch H2O to millibar = 124.54445 millibar

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## ››Definition: Millibar

A millibar (mb) is 1/1000th of a bar, a unit for measurement of pressure. It is not an SI unit of measure, however it is one of the units used in meteorology when describing atmospheric pressure. The SI unit is the pascal (Pa), with 1 millibar = 100 pascals (a hectopascal)

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