## Convert attojoule to erg

 attojoule erg

How many attojoule in 1 erg? The answer is 100000000000.
We assume you are converting between attojoule and erg.
You can view more details on each measurement unit:
attojoule or erg
The SI derived unit for energy is the joule.
1 joule is equal to 1.0E+18 attojoule, or 10000000 erg.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between attojoules and ergs.
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## Definition: Attojoule

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

So 1 attojoule = 10-18 joules.

The definition of a joule is as follows:

The joule (symbol J, also called newton meter, watt second, or coulomb volt) is the SI unit of energy and work. The unit is pronounced to rhyme with "tool", and is named in honor of the physicist James Prescott Joule (1818-1889).

## Definition: Erg

An erg is the unit of energy and mechanical work in the centimetre-gram-second (CGS) system of units, symbol "erg". Its name is derived from the Greek word meaning "work".

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