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Measurement unit conversion: attobar
Full name: attobar
Plural form: attobars
Category type: pressure
Scale factor: 1.0E-13
The SI derived unit for pressure is the pascal.
1 pascal is equal to 1.0E+13 attobar.
Valid units must be of the pressure type.
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The SI prefix "atto" represents a factor of 10-18, or in scientific 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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