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## How to convert joules to megajoules (J to MJ)

The formula for converting joules to megajoules is: MJ = J × 0.000001. To calculate the joule value in megajoules first substitute the joule value into the preceding formula, and then perform 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

In other words, 1 joule is equal to 0.000001 megajoules.

## Example Conversion

Let's take a look at an example. The step-by-step process to convert 3 joules to megajoules is:

- Understand the conversion formula: MJ = J × 0.000001
- Substitute the required value. In this case we substitute 3 for J so the formula becomes: M3 = J × 0.000001
- Calculate the result using the provided values. In our example the result is: 3 × 0.000001 = 0.000003 MJ

In summary, 3 joules is equal to 0.000003 megajoules.

## Converting megajoules to joules

In order to convert the other way around i.e. megajoules to joules, you would use the following formula: J = MJ × 1000000. To convert megajoules to joules first substitute the megajoule value into the above formula, and then execute the calculation. If we wanted to calculate 1 megajoule in joules we follow these steps:

J = MJ × 1000000

J = 1 × 1000000

J = 1000000

Or in other words, 1 megajoule is equal to 1000000 joules.

## Conversion Unit Definitions

### What is a Joule?

^{2}/s

^{2}in terms of mass, length, and time.

### What is a Megajoule?

^{6}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.

## Joules To Megajoules Conversion Table

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

Joules (J) | Megajoule (MJ) |
---|---|

1 J | 0.000001 MJ |

2 J | 0.000002 MJ |

3 J | 0.000003 MJ |

4 J | 0.000004 MJ |

5 J | 0.000005 MJ |

6 J | 0.000006 MJ |

7 J | 0.000007 MJ |

8 J | 0.000008 MJ |

9 J | 0.000009 MJ |

10 J | 0.00001 MJ |

11 J | 0.000011 MJ |

12 J | 0.000012 MJ |

13 J | 0.000013 MJ |

## Other Common Joule Conversions

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

Conversion | Result |
---|---|

1 joule in ergs | 10000000 erg |

1 joule in kilojoules | 0.001 kJ |

1 joule in gigajoules | 0.000000001 GJ |

1 joule in calories | 0.2388458966275 cal |

1 joule in kilocalories | 0.0002388458966275 kcal |

1 joule in watt hours | 0.00027777777777778 Wh |

1 joule in kilowatt hours | 0.00000027777777777778 kWh |

1 joule in megawatt hours | 0.00000000027777777777778 MWh |

1 joule in watt seconds | 1 Ws |

1 joule in btus | 0.00094708628903179 Btu |

1 joule in therms | 0.0000000094708628903179 thm |

1 joule in quads | 0.00000000000000000094708628903179 Q |

1 joule in electron volts | 6241509074461000000 eV |

1 joule in kilo electron volts | 6241509074461000 keV |

1 joule in mega electron volts | 6241509074461 MeV |