How many femtojoule in 1 joule?
The answer is 1.0E+15.
We assume you are converting between femtojoule and joule.
You can view more details on each measurement unit: 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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You can do the reverse unit conversion from
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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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