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How many atm in 1 bar?
The answer is 0.98692316931427.
We assume you are converting between atmosphere [standard] and bar.
You can view more details on each measurement unit:
atm or bar
The SI derived unit for pressure is the pascal.
1 pascal is equal to 9.8692316931427E-6 atm, or 1.0E-5 bar.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between atmospheres and bars.
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You can do the reverse unit conversion from bar to atm, or enter any two units below:
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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