## ››Convert femtojoule to exajoule

 femtojoule exajoule

How many femtojoule in 1 exajoule? The answer is 1.0E+33.
We assume you are converting between femtojoule and exajoule.
You can view more details on each measurement unit:
femtojoule or exajoule
The SI derived unit for energy is the joule.
1 joule is equal to 1.0E+15 femtojoule, or 1.0E-18 exajoule.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between femtojoules and exajoules.
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## ››Definition: Femtojoule

The SI prefix "femto" represents a factor of 10-15, or in exponential notation, 1E-15.

So 1 femtojoule = 10-15 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: Exajoule

The SI prefix "exa" represents a factor of 1018, or in exponential notation, 1E18.

So 1 exajoule = 1018 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).

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