## Convert zeptojoule to femtojoule

 zeptojoule femtojoule

## More information from the unit converter

How many zeptojoule in 1 femtojoule? The answer is 1000000. We assume you are converting between zeptojoule and femtojoule. You can view more details on each measurement unit: zeptojoule or femtojoule The SI derived unit for energy is the joule. 1 joule is equal to 1.0E+21 zeptojoule, or 1.0E+15 femtojoule. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between zeptojoules and femtojoules. Type in your own numbers in the form to convert the units!

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You can do the reverse unit conversion from femtojoule to zeptojoule, or enter any two units below:

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## Definition: Zeptojoule

The SI prefix "zepto" represents a factor of 10-21, or in exponential notation, 1E-21.

So 1 zeptojoule = 10-21 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: 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).

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