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Megawatt-hour to Gigajoule Converter

Convert Megawatt-hour to Gigajoule instantly — live results with exact conversion factors.

3.6 GJ

Answer

1 megawatt-hour = 3.6 gigajoules. To convert MWh to GJ, multiply by 3.6.

Quick Reference Table

Megawatt-hour (MWh) Gigajoule (GJ)
1 3.6
2 7.2
5 18
10 36
20 72
50 180
100 360
250 900
500 1800
1000 3600

Formula

Convert Megawatt-hour (MWh) to Gigajoule (GJ) using the relationship:

GJ = MWh × 3.6

How to Convert

  1. Take the value in megawatt-hours (MWh).
  2. Multiply it by 3.6 (the conversion factor from MWh to GJ).
  3. The result is the equivalent value in gigajoules (GJ).
  4. Example: 1 MWh = 3.6 GJ.

Reverse Conversion

Need it the other direction? Gigajoule to Megawatt-hour conversion.

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FAQ

How many gigajoules are in 1 megawatt-hour?

1 Megawatt-hour equals 3.6 gigajoules. Multiply by 3.6 to convert MWh to GJ.

What is the formula to convert megawatt-hour to gigajoule?

Multiply the value in megawatt-hours by 3.6 to get gigajoules. Formula: GJ = MWh × 3.6.

How do I convert megawatt-hours to gigajoules easily?

Enter your value in the converter at the top of this page — the gigajoules result updates live as you type. You can also multiply by 3.6 directly.