## ››Convert bar to attobar

 bar attobar

How many bar in 1 attobar? The answer is 1.0E-18.
We assume you are converting between bar and attobar.
You can view more details on each measurement unit:
bar or attobar
The SI derived unit for pressure is the pascal.
1 pascal is equal to 1.0E-5 bar, or 10000000000000 attobar.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between bars and attobars.
Type in your own numbers in the form to convert the units!

## ››Quick conversion chart of bar to attobar

1 bar to attobar = 1.0E+18 attobar

2 bar to attobar = 2.0E+18 attobar

3 bar to attobar = 3.0E+18 attobar

4 bar to attobar = 4.0E+18 attobar

5 bar to attobar = 5.0E+18 attobar

6 bar to attobar = 6.0E+18 attobar

7 bar to attobar = 7.0E+18 attobar

8 bar to attobar = 8.0E+18 attobar

9 bar to attobar = 9.0E+18 attobar

10 bar to attobar = 1.0E+19 attobar

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You can do the reverse unit conversion from attobar to bar, or enter any two units below:

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## ››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.

## ››Definition: Attobar

The SI prefix "atto" represents a factor of 10-18, or in exponential notation, 1E-18.

So 1 attobar = 10-18 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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