# ››Convert zettabar to bar

zettabar
bar

How many zettabar in 1 bar? The answer is 1.0E-21.
We assume you are converting between zettabar and bar.
You can view more details on each measurement unit:
zettabar or bar
The SI derived unit for pressure is the pascal.
1 pascal is equal to 1.0E-26 zettabar, 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 zettabars and bars.
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# ››Definition: Zettabar

The SI prefix "zetta" represents a factor of 1021, or in exponential notation, 1E21.

So 1 zettabar = 1021 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.

# ››Definition: Bar

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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