Convert megajoules to J - Energy Conversions

How to convert megajoules to J: Enter a value in the megajoules field and click on the "Calculate J" button. Your answer will appear in the J field.

Conversion Definitions

The following is a list of definitions relating to conversions between megajoules and joules.

What is a megajoule (MJ)?

A megajoule is a unit of energy in the International System of Units (SI). The symbol for megajoule is MJ. There are 0.000001 megajoules in a joule.

What is a joule (J)?

A joule is a unit of energy in the International System of Units (SI). The symbol for joule is J. There are 1,000,000 joules in a megajoule.

Conversion Formula

Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.

The formula to convert from megajoules to J is:

J = megajoules x 1,000,000

Conversion Example

Next, let's look at an example showing the work and calculations that are involved in converting from megajoules to joules (MJ to J).

Megajoule to Joule Conversion Example

Task: Convert 4 megajoules to joules (show work)

Formula:
megajoules x 1,000,000 = J

Calculations:
4 megajoules x 1,000,000 = 4,000,000 J

Result:
4 megajoules is equal to 4,000,000 J