How many mm H2O in 1 millibar?
The answer is 10.197162129779.
We assume you are converting between millimeter water [4 °C] and millibar.
You can view more details on each measurement unit:
mm H2O or millibar
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.10197162129779 mm 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 millimeters water and millibars.
Type in your own numbers in the form to convert the units!
1 mm H2O to millibar = 0.09807 millibar
10 mm H2O to millibar = 0.98067 millibar
20 mm H2O to millibar = 1.96133 millibar
30 mm H2O to millibar = 2.942 millibar
40 mm H2O to millibar = 3.92266 millibar
50 mm H2O to millibar = 4.90333 millibar
100 mm H2O to millibar = 9.80665 millibar
200 mm H2O to millibar = 19.6133 millibar
You can do the reverse unit conversion from millibar to mm H2O, or enter any two units below:
mm H2O to nanopascal
mm H2O to megabar
mm H2O to centimeter water
mm H2O to picopascal
mm H2O to technical atmosphere
mm H2O to exapascal
mm H2O to kilopond/square millimeter
mm H2O to kip/square inch
mm H2O to foot of mercury
mm H2O to zeptobar
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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