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... Joule = ... Megajoule

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Joule to Megajoule Converter

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

Conversion formula

1 J = 0.000001 MJ

1 MJ = 1,000,000 J

Example: 120 J = 0.00012 MJ

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Joule to KilojouleJoule to Calorie (thermochemical)Joule to Calorie (nutritional)Joule to Kilocalorie (IT)Kilojoule to JouleKilojoule to MegajouleKilojoule to Calorie (thermochemical)Kilojoule to Calorie (nutritional)Megajoule to JouleMegajoule to Kilojoule

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

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 to Megajoule table

Joule [J]Megajoule [MJ]
0.01 J0.00000001 MJ
0.1 J0.0000001 MJ
1 J0.000001 MJ
2 J0.000002 MJ
5 J0.000005 MJ
10 J0.00001 MJ
20 J0.00002 MJ
50 J0.00005 MJ
100 J0.0001 MJ

Frequently asked questions

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

    One Joule equals 0.000001 Megajoule.

  • How do you convert Joule to Megajoule?

    Multiply the Joule value by 0.000001 to get the result in Megajoule.

  • How do you convert Megajoule back to Joule?

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

  • What is 120 Joule in Megajoule?

    120 Joule equals 0.00012 Megajoule.