## Convert megajoule to exajoule

 megajoule exajoule

How many megajoule in 1 exajoule? The answer is 1000000000000. We assume you are converting between megajoule and exajoule. You can view more details on each measurement unit: megajoule or exajoule The SI derived unit for energy is the joule. 1 joule is equal to 1.0E-6 megajoule, 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 megajoules and exajoules. Type in your own numbers in the form to convert the units!

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## Definition: Megajoule

The SI prefix "mega" represents a factor of 106, or in exponential notation, 1E6.

So 1 megajoule = 106 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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