# Convert Megajoules to Watt-hours

Enter your megajoule value in the form below to get the value calculated in watt-hours.

**Results in Watt-hours:**

## How to Convert Megajoules to Watt-hours

Convert megajoules to watt-hours with this simple formula:

Converting a megajoule energy measurement to a watt-hour measurement involves multiplying the energy by the conversion ratio to find the result. One megajoule is equal to 277.777778 watt-hours, so to convert simply multiply by 277.777778.

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

Megajoules and watt-hours are both units used to measure energy.
Learn more about energy and
find more energy measurement conversion calculators.
Megajoules are an SI derived unit of energy and can be abbreviated as *MJ*, for example 1 MJ.
Watt-hours are an energy measurement and can be abbreviated as *Wh*, for example 1 Wh.

## Megajoule Measurements and Equivalent Watt-hour Conversions

Megajoules | Watt-hours |
---|---|

1 MJ | 277.78 Wh |

2 MJ | 555.56 Wh |

3 MJ | 833.33 Wh |

4 MJ | 1,111 Wh |

5 MJ | 1,389 Wh |

6 MJ | 1,667 Wh |

7 MJ | 1,944 Wh |

8 MJ | 2,222 Wh |

9 MJ | 2,500 Wh |

10 MJ | 2,778 Wh |

11 MJ | 3,056 Wh |

12 MJ | 3,333 Wh |

13 MJ | 3,611 Wh |

14 MJ | 3,889 Wh |

15 MJ | 4,167 Wh |

16 MJ | 4,444 Wh |

17 MJ | 4,722 Wh |

18 MJ | 5,000 Wh |

19 MJ | 5,278 Wh |

20 MJ | 5,556 Wh |

21 MJ | 5,833 Wh |

22 MJ | 6,111 Wh |

23 MJ | 6,389 Wh |

24 MJ | 6,667 Wh |

25 MJ | 6,944 Wh |

26 MJ | 7,222 Wh |

27 MJ | 7,500 Wh |

28 MJ | 7,778 Wh |

29 MJ | 8,056 Wh |

30 MJ | 8,333 Wh |

31 MJ | 8,611 Wh |

32 MJ | 8,889 Wh |

33 MJ | 9,167 Wh |

34 MJ | 9,444 Wh |

35 MJ | 9,722 Wh |

36 MJ | 10,000 Wh |

37 MJ | 10,278 Wh |

38 MJ | 10,556 Wh |

39 MJ | 10,833 Wh |

40 MJ | 11,111 Wh |

## More Megajoule Energy Conversions

**Joules**

- Convert to Joules
- 1 MJ is equal to 1,000,000 joules
- Convert to Kilojoules
- 1 MJ is equal to 1,000 kilojoules
- Convert to Gigajoules
- 1 MJ is equal to 0.001 gigajoules

**Calories**

- Convert to Calories
- 1 MJ is equal to 239,005.7 calories
- Convert to Kilocalories
- 1 MJ is equal to 239.005736 kilocalories
- Convert to Megacalories
- 1 MJ is equal to 0.239006 megacalories

**Watts x Time**

- Convert to Kilowatt-hours
- 1 MJ is equal to 0.277778 kilowatt-hours
- Convert to Megawatt-hours
- 1 MJ is equal to 0.000278 megawatt-hours
- Convert to Watt-seconds
- 1 MJ is equal to 1,000,000 watt-seconds

**Thermal Units**

- Convert to British Thermal Units
- 1 MJ is equal to 947.81712 british thermal units
- Convert to Million BTU
- 1 MJ is equal to 0.000948 million BTU
- Convert to Therms
- 1 MJ is equal to 0.009478 therms
- Convert to Quads
- 1 MJ is equal to 9.4782E-13 quads

**Electronvolts**

- Convert to Electronvolts
- 1 MJ is equal to 6,241,499,999,999,999,833,276,416 electronvolts
- Convert to Kiloelectronvolts
- 1 MJ is equal to 6,241,499,999,999,999,606,784 kiloelectronvolts
- Convert to Megaelectronvolts
- 1 MJ is equal to 6,241,500,000,000,000,000 megaelectronvolts