# Megajoules to Megawatt-hours Conversion

Enter the energy in megajoules below to get the value converted to megawatt-hours.

**Results in Megawatt-hours:**

## How to Convert Megajoules to Megawatt-hours

To convert a megajoule measurement to a megawatt-hour measurement, divide the energy by the conversion ratio.

Since one megawatt-hour is equal to 3,600 megajoules, you can use this simple formula to convert:

The energy in megawatt-hours is equal to the megajoules divided by 3,600.

**For example,**here's how to convert 5,000 megajoules to megawatt-hours using the formula above.

Megajoules and megawatt-hours are both units used to measure energy. Keep reading to learn more about each unit of measure.

## Megajoules

One megajoule is equal to 1,000,000 joules, which are the energy equal to the force on an object of one newton at a distance of one meter.

The megajoule is a multiple of the joule, which is the SI derived unit for energy. In the metric system, "mega" is the prefix for 10^{6}. Megajoules can be abbreviated as *MJ*; for example, 1 megajoule can be written as 1 MJ.

## Megawatt-hours

A megawatt-hour is a measure of electrical energy equal to one megawatt, or 1,000,000 watts, of power over a one hour period. Megawatt-hours are a measure of electrical work performed over a period of time, and are often used as a way of measuring energy usage by electric companies.

Megawatt-hours are usually abbreviated as *MWh*, although the formally adopted expression is *MW·h*. The abbreviation *MW h* is also sometimes used. For example, 1 megawatt-hour can be written as 1 MWh, 1 MW·h, or 1 MW h.

In formal expressions, the centered dot (·) or space is used to separate units used to indicate multiplication in an expression and to avoid conflicting prefixes being misinterpreted as a unit symbol.^{[1]}

## Megajoule to Megawatt-hour Conversion Table

Megajoules | Megawatt-hours |
---|---|

1 MJ | 0.000278 MWh |

2 MJ | 0.000556 MWh |

3 MJ | 0.000833 MWh |

4 MJ | 0.001111 MWh |

5 MJ | 0.001389 MWh |

6 MJ | 0.001667 MWh |

7 MJ | 0.001944 MWh |

8 MJ | 0.002222 MWh |

9 MJ | 0.0025 MWh |

10 MJ | 0.002778 MWh |

20 MJ | 0.005556 MWh |

30 MJ | 0.008333 MWh |

40 MJ | 0.011111 MWh |

50 MJ | 0.013889 MWh |

60 MJ | 0.016667 MWh |

70 MJ | 0.019444 MWh |

80 MJ | 0.022222 MWh |

90 MJ | 0.025 MWh |

100 MJ | 0.027778 MWh |

200 MJ | 0.055556 MWh |

300 MJ | 0.083333 MWh |

400 MJ | 0.111111 MWh |

500 MJ | 0.138889 MWh |

600 MJ | 0.166667 MWh |

700 MJ | 0.194444 MWh |

800 MJ | 0.222222 MWh |

900 MJ | 0.25 MWh |

1,000 MJ | 0.277778 MWh |

2,000 MJ | 0.555556 MWh |

3,000 MJ | 0.833333 MWh |

4,000 MJ | 1.1111 MWh |

5,000 MJ | 1.3889 MWh |

6,000 MJ | 1.6667 MWh |

7,000 MJ | 1.9444 MWh |

8,000 MJ | 2.2222 MWh |

9,000 MJ | 2.5 MWh |

10,000 MJ | 2.7778 MWh |

## References

- Bureau International des Poids et Mesures, The International System of Units (SI), 9th edition, 2019, https://www.bipm.org/documents/20126/41483022/SI-Brochure-9-EN.pdf