## ››Convert millimeter water [4 °C] to exabar

 mm H2O exabar

How many mm H2O in 1 exabar? The answer is 1.0197162129779E+22.
We assume you are converting between millimeter water [4 °C] and exabar.
You can view more details on each measurement unit:
mm H2O or exabar
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.10197162129779 mm H2O, or 1.0E-23 exabar.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millimeters water and exabars.
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## ››Definition: Exabar

The SI prefix "exa" represents a factor of 1018, or in exponential notation, 1E18.

So 1 exabar = 1018 bars.

The definition of a bar is as follows:

The bar is a measurement unit of pressure, equal to 1,000,000 dynes per square centimetre (baryes), or 100,000 newtons per square metre (pascals). The word bar is of Greek origin, báros meaning weight. Its official symbol is "bar"; the earlier "b" is now deprecated, but still often seen especially as "mb" rather than the proper "mbar" for millibars.

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