›› Convert millibar to millimeter water [4 °C]

mm H2O

›› More information from the unit converter

How many millibar in 1 mm H2O? The answer is 0.0980665.
We assume you are converting between millibar and millimeter water [4 °C].
You can view more details on each measurement unit:
millibar or mm H2O
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.01 millibar, 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 millibars and millimeters water.
Type in your own numbers in the form to convert the units!

›› Quick conversion chart of millibar to mm H2O

1 millibar to mm H2O = 10.19716 mm H2O

2 millibar to mm H2O = 20.39432 mm H2O

3 millibar to mm H2O = 30.59149 mm H2O

4 millibar to mm H2O = 40.78865 mm H2O

5 millibar to mm H2O = 50.98581 mm H2O

6 millibar to mm H2O = 61.18297 mm H2O

7 millibar to mm H2O = 71.38013 mm H2O

8 millibar to mm H2O = 81.5773 mm H2O

9 millibar to mm H2O = 91.77446 mm H2O

10 millibar to mm H2O = 101.97162 mm H2O

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You can do the reverse unit conversion from mm H2O to millibar, or enter any two units below:

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›› Common pressure conversions

millibar to gigabar
millibar to centimeter mercury
millibar to millimeter of water
millibar to yoctopascal
millibar to micrometer of water
millibar to kip/square foot
millibar to centimeter of mercury
millibar to zettabar
millibar to pound/square inch
millibar to meganewton/square meter

›› 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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