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... Megajoule = ... Joule

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Megajoule to Joule Converter

Use this page to convert megajoule values into joule, with background details, formulas, a worked example, and a quick conversion table.

Megajoule

A megajoule equals one million joules.

History: It follows the SI mega prefix for scaling joules by powers of ten.

Current use: Megajoules are used in fuel values, engineering, and energy reporting.

Also written as MJ, megajoules.

Joule

A joule is the work done by a force of one newton through one meter.

History: It is named after James Prescott Joule.

Current use: Joules are used in physics, engineering, and energy calculations.

Also written as J, joules.

Megajoule to Joule table

Megajoule [MJ]Joule [J]
0.01 MJ10,000 J
0.1 MJ100,000 J
1 MJ1,000,000 J
2 MJ2,000,000 J
5 MJ5,000,000 J
10 MJ10,000,000 J
20 MJ20,000,000 J
50 MJ50,000,000 J
100 MJ100,000,000 J

Frequently asked questions

  • How many Joule (J) are in one Megajoule (MJ)?

    One Megajoule equals 1,000,000 Joule.

  • How do you convert Megajoule to Joule?

    Multiply the Megajoule value by 1,000,000 to get the result in Joule.

  • How do you convert Joule back to Megajoule?

    Multiply the Joule value by 0.000001 to get back to Megajoule.

  • What is 120 Megajoule in Joule?

    120 Megajoule equals 120,000,000 Joule.