## Convert femtojoule to kilojoule

 femtojoule kilojoule

How many femtojoule in 1 kilojoule? The answer is 1.0E+18. We assume you are converting between femtojoule and kilojoule. You can view more details on each measurement unit: femtojoule or kilojoule The SI derived unit for energy is the joule. 1 joule is equal to 1.0E+15 femtojoule, or 0.001 kilojoule. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between femtojoules and kilojoules. Type in your own numbers in the form to convert the units!

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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: Kilojoule

The SI prefix "kilo" represents a factor of 103, or in exponential notation, 1E3.

So 1 kilojoule = 103 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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