››Convert femtojoule to joule

 femtojoule joule

How many femtojoule in 1 joule? The answer is 1.0E+15.
We assume you are converting between femtojoule and joule.
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femtojoule or joule
The SI derived unit for energy is the joule.
1 femtojoule is equal to 1.0E-15 joule.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between femtojoules and joules.
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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: Joule

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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