MJ converters | Convert from Megajoule

Megajoule to Watt-second Conversion Formula

To convert from Megajoule (MJ) to Watt-second (Ws), use the following formula:

$\textbf{ Watt-second } (Ws)$

$= 10^{6}\times \textbf{ Megajoule } (MJ)$

Megajoule to Watt-minute Conversion Formula

To convert from Megajoule (MJ) to Watt-minute (Wm), use the following formula:

$\textbf{ Watt-minute } (Wm)$

$= 10^{6} \times \frac{1}{60}\times \textbf{ Megajoule } (MJ)$

$= 16666.666666666666667\times \textbf{ Megajoule } (MJ)$

Megajoule to Watt-hour Conversion Formula

To convert from Megajoule (MJ) to Watt-hour (Wh), use the following formula:

$\textbf{ Watt-hour } (Wh)$

$= 10^{6} \times \frac{1}{60 \times 60}\times \textbf{ Megajoule } (MJ)$

$= 277.77777777777777778\times \textbf{ Megajoule } (MJ)$

Megajoule to Milliwatt-hour Conversion Formula

To convert from Megajoule (MJ) to Milliwatt-hour (mWh), use the following formula:

$\textbf{ Milliwatt-hour } (mWh)$

$= 10^{6} \times \frac{1}{3.6}\times \textbf{ Megajoule } (MJ)$

$= 277777.77777777777778\times \textbf{ Megajoule } (MJ)$

Megajoule to Kilowatt-hour Conversion Formula

To convert from Megajoule (MJ) to Kilowatt-hour (kWh), use the following formula:

$\textbf{ Kilowatt-hour } (kWh)$

$= 10^{6} \times \frac{1}{60 \times 60 \times 1000}\times \textbf{ Megajoule } (MJ)$

$= 0.27777777777777777778\times \textbf{ Megajoule } (MJ)$

Megajoule to Megawatt-hour Conversion Formula

To convert from Megajoule (MJ) to Megawatt-hour (MWh), use the following formula:

$\textbf{ Megawatt-hour } (MWh)$

$= 10^{6} \times \frac{1}{60 \times 60 \times 10^{6}}\times \textbf{ Megajoule } (MJ)$

$= 0.00027777777777777777778\times \textbf{ Megajoule } (MJ)$

Megajoule to Gigawatt-hour Conversion Formula

To convert from Megajoule (MJ) to Gigawatt-hour (GWh), use the following formula:

$\textbf{ Gigawatt-hour } (GWh)$

$= 10^{6} \times \frac{1}{60 \times 60 \times 10^{9}}\times \textbf{ Megajoule } (MJ)$

$= 2.7777777777777777778\times 10^{-7}\times \textbf{ Megajoule } (MJ)$

Megajoule to Joule Conversion Formula

To convert from Megajoule (MJ) to Joule (J), use the following formula:

$\textbf{ Joule } (J)$

$= 10^{6}\times \textbf{ Megajoule } (MJ)$

Megajoule to Kilojoule Conversion Formula

To convert from Megajoule (MJ) to Kilojoule (kJ), use the following formula:

$\textbf{ Kilojoule } (kJ)$

$= 10^{6} \times \frac{1}{1000}\times \textbf{ Megajoule } (MJ)$

$= 1000\times \textbf{ Megajoule } (MJ)$

Megajoule to Gigajoule Conversion Formula

To convert from Megajoule (MJ) to Gigajoule (GJ), use the following formula:

$\textbf{ Gigajoule } (GJ)$

$= 10^{6} \times \frac{1}{10^{9}}\times \textbf{ Megajoule } (MJ)$

$= \frac{1}{1000}\times \textbf{ Megajoule } (MJ)$

$= 0.001\times \textbf{ Megajoule } (MJ)$

Megajoule to calorie Conversion Formula

To convert from Megajoule (MJ) to calorie (cal), use the following formula:

$\textbf{ calorie } (cal)$

$= 10^{6} \times \frac{1}{4.184}\times \textbf{ Megajoule } (MJ)$

$= 239005.73613766730402\times \textbf{ Megajoule } (MJ)$

With $\frac{1}{4.184}$ is the ratio between the base units calorie (cal) and Joule (J).

Megajoule to Kilocalorie Conversion Formula

To convert from Megajoule (MJ) to Kilocalorie (kcal), use the following formula:

$\textbf{ Kilocalorie } (kcal)$

$= 10^{6} \times \frac{1}{4.184} \times \frac{1}{1000}\times \textbf{ Megajoule } (MJ)$

$= 1000 \times \frac{1}{4.184}\times \textbf{ Megajoule } (MJ)$

$= 239.00573613766730402\times \textbf{ Megajoule } (MJ)$

With $\frac{1}{4.184}$ is the ratio between the base units calorie (cal) and Joule (J).

What Is a Megajoule (MJ)?

Ever looked at a food label outside the US or heard about the energy of a lightning bolt and seen the term 'megajoule' or 'MJ'?

What exactly is it?

In this simple guide, we'll break down what a megajoule is, how big it is, and where you'll see it used in everyday life and science.

A Megajoule (MJ) is a unit of energy in the International System of Units (SI), equal to one million Joules (10⁶ J).

The plural form is Megajoules.

How Much Energy is in a Megajoule?

To visualize the energy in a single megajoule, it helps to use a powerful real-world comparison.

The One-Tonne Car Analogy

One megajoule (1 MJ) is roughly the same as the kinetic energy of a one-tonne car traveling at 160 km/h (about 100 mph).

This comparison shows just how much energy a single megajoule represents, making it a key unit for measuring large energy transfers in fields like physics and engineering.

In many countries, including Australia and New Zealand, the megajoule (MJ) and kilojoule (kJ) are the standard units on nutritional labels to measure the energy content of food, instead of Calories (kcal).

Converting Megajoules (MJ) to Calories (kcal)

To understand these labels, it's helpful to know the conversion:

One megajoule (MJ) is equal to approximately 239 food Calories (kcal).

This makes the MJ a critical unit for international dietary and health management.

Megajoules in Science and Engineering

The megajoule is a common unit for quantifying large-scale energy events and outputs in science and technology.

For example:

A typical lightning bolt contains hundreds of megajoules of energy.
In engineering, the megajoule is used to measure the energy output of engines.
It's also used to calculate the energy efficiency of power plants and the energy required for extensive industrial processes.

What Is a Megajoule (MJ)?

Ever looked at a food label outside the US or heard about the energy of a lightning bolt and seen the term 'megajoule' or 'MJ'?

What exactly is it?

In this simple guide, we'll break down what a megajoule is, how big it is, and where you'll see it used in everyday life and science.

A Megajoule (MJ) is a unit of energy in the International System of Units (SI), equal to one million Joules (10⁶ J).

The plural form is Megajoules.

This makes the MJ a critical unit for international dietary and health management.

Megajoules in Science and Engineering

The megajoule is a common unit for quantifying large-scale energy events and outputs in science and technology.

For example:

A typical lightning bolt contains hundreds of megajoules of energy.
In engineering, the megajoule is used to measure the energy output of engines.
It's also used to calculate the energy efficiency of power plants and the energy required for extensive industrial processes.

Convert Energy from Megajoule (MJ) to other units
Multiple conversions

On This Page

Megajoule Conversion Formulas

Megajoule to Watt-second Conversion Formula

Megajoule to Watt-minute Conversion Formula

Megajoule to Watt-hour Conversion Formula

Megajoule to Milliwatt-hour Conversion Formula

Megajoule to Kilowatt-hour Conversion Formula

Megajoule to Megawatt-hour Conversion Formula

Megajoule to Gigawatt-hour Conversion Formula

Megajoule to Joule Conversion Formula

Megajoule to Kilojoule Conversion Formula

Megajoule to Gigajoule Conversion Formula

Megajoule to calorie Conversion Formula

Megajoule to Kilocalorie Conversion Formula

What Is a Megajoule (MJ)?

How Much Energy is in a Megajoule?

The One-Tonne Car Analogy

Megajoules on Food Labels

Converting Megajoules (MJ) to Calories (kcal)

Megajoules in Science and Engineering

List Megajoule Converters

What Is a Megajoule (MJ)?

How Much Energy is in a Megajoule?

The One-Tonne Car Analogy

Megajoules on Food Labels

Converting Megajoules (MJ) to Calories (kcal)

Megajoules in Science and Engineering

Convert Energy from Megajoule (MJ) to other unitsMultiple conversions

On This Page

Convert Energy from Megajoule (MJ) to other units
Multiple conversions