Megajoules To Joules Conversion


1 MJ = 1,000,000 J

Want to convert from joules to megajoules instead?

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How to convert megajoules to joules (MJ to J)

The formula for converting megajoules to joules is: J = MJ × 1000000. To calculate the megajoule value in joules first substitute the megajoule value into the preceding formula, and then perform the calculation. If we wanted to calculate 1 megajoule in joules we follow these steps:

J = MJ × 1000000

J = 1 × 1000000

J = 1000000

In other words, 1 megajoule is equal to 1000000 joules.

Example Conversion

Let's take a look at an example. The step-by-step process to convert 6 megajoules to joules is:

  1. Understand the conversion formula: J = MJ × 1000000
  2. Substitute the required value. In this case we substitute 6 for MJ so the formula becomes: J = 6 × 1000000
  3. Calculate the result using the provided values. In our example the result is: 6 × 1000000 = 6000000 J

In summary, 6 megajoules is equal to 6000000 joules.

Converting joules to megajoules

In order to convert the other way around i.e. joules to megajoules, you would use the following formula: MJ = J × 0.000001. To convert joules to megajoules first substitute the joule value into the above formula, and then execute the calculation. If we wanted to calculate 1 joule in megajoules we follow these steps:

MJ = J × 0.000001

M1 = J × 0.000001

MJ = 0.000001

Or in other words, 1 joule is equal to 0.000001 megajoules.

Conversion Unit Definitions

What is a Megajoule?

A megajoule (MJ) is a metric unit of energy in the International System of Units (SI). One megajoule is equal to 1,000,000 joules or 1×106 joules. The prefix "mega-" signifies a factor of one million, so a megajoule is a large unit of energy, often used in contexts where significant amounts of energy are involved.
Megajoules are commonly used in various scientific, engineering, and industrial applications to measure large quantities of energy. For instance, in the field of nutrition, the energy content of food is sometimes measured in megajoules per serving. In energy-related contexts, such as electricity generation or large-scale industrial processes, the energy output or consumption is often expressed in megajoules.

What is a Joule?

A joule (J) is the standard unit of energy in the International System of Units (SI). It is defined as the amount of work done when a force of one newton is applied over a distance of one meter in the direction of the force. In other words, one joule is equal to the energy transferred when one watt of power is dissipated for one second.
Mathematically, 1 joule is equal to 1 N × 1 m, or 1 kg × m2/s2 in terms of mass, length, and time.
Joules are a versatile unit of measurement used not only in physics but also in various fields including engineering, chemistry, and biology to quantify energy, work, and heat. For example, it's commonly used to express the energy content of foods, the capacity of batteries, and the energy output of electronic devices.

Megajoules To Joules Conversion Table

Below is a lookup table showing common megajoules to joules conversion values.

Megajoule (MJ)Joules (J)
1 MJ1000000 J
2 MJ2000000 J
3 MJ3000000 J
4 MJ4000000 J
5 MJ5000000 J
6 MJ6000000 J
7 MJ7000000 J
8 MJ8000000 J
9 MJ9000000 J
10 MJ10000000 J
11 MJ11000000 J
12 MJ12000000 J
13 MJ13000000 J

Other Common Megajoule Conversions

Below is a table of common conversions from megajoules to other energy units.

1 megajoule in kilojoules1000 kJ
1 megajoule in gigajoules0.001 GJ
1 megajoule in calories238845.8966275 cal
1 megajoule in kilocalories238.8458966275 kcal
1 megajoule in watt hours277.77777777778 Wh
1 megajoule in kilowatt hours0.27777777777778 kWh
1 megajoule in megawatt hours0.00027777777777778 MWh
1 megajoule in btus947.08628903179 Btu