›› Convert millimeter water [4 C] to atmosphere [standard]

mm H2O

Did you mean to convert mm H2O to atmosphere [standard]
atmosphere [technical]

›› More information from the unit converter

How many mm H2O in 1 atmosphere? The answer is 10332.275547715.
We assume you are converting between millimeter water [4 C] and atmosphere [standard].
You can view more details on each measurement unit:
mm H2O or atmosphere
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.10197162129779 mm H2O, or 9.8692316931427E-6 atmosphere.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millimeters water and atmospheres.
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You can do the reverse unit conversion from atmosphere to mm H2O, or enter any two units below:

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›› Common pressure conversions

mm H2O to millimeter of mercury
mm H2O to barye
mm H2O to femtobar
mm H2O to yoctopascal
mm H2O to ton/square meter
mm H2O to picopascal
mm H2O to torr
mm H2O to kilobar
mm H2O to inch of mercury
mm H2O to newton/square millimeter

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