How many millibar in 1 inch of water column?
The answer is 2.49088908333.
We assume you are converting between millibar and inch of water column.
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millibar or inch of water column
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.01 millibar, or 0.00401463078662 inch of water column.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millibars and inches water column.
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You can do the reverse unit conversion from inch of water column to millibar, or enter any two units below:
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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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