How Many Megajoules in a Kilowatt-hour?

Quick Answer
1 Kilowatt-hour = 3.6 Megajoules

1 kWh = 3.6 MJ

Formula

MJ = kWh × 3.6

Conversion Table

Kilowatt-hours (kWh)Megajoules (MJ)
1 kWh3.6 MJ
2 kWh7.2 MJ
5 kWh18 MJ
10 kWh36 MJ
20 kWh72 MJ
50 kWh180 MJ
100 kWh360 MJ
500 kWh1,800 MJ
1,000 kWh3,600 MJ

Worked Examples

Convert 5 kWh to MJ:
5 kWh × 3.6 = 18 MJ
Convert 10 kWh to MJ:
10 kWh × 3.6 = 36 MJ
Convert 50 kWh to MJ:
50 kWh × 3.6 = 180 MJ

FAQ

How many Megajoules are in 1 Kilowatt-hour?
There are 3.6 Megajoules in 1 Kilowatt-hour. Formula: MJ = kWh × 3.6.
How to convert Kilowatt-hours to Megajoules?
To convert Kilowatt-hours to Megajoules, multiply the number of Kilowatt-hours by 3.6. For example, 10 kWh = 36 MJ.
How many Megajoules are in 100 Kilowatt-hours?
There are 360 Megajoules in 100 Kilowatt-hours. Calculation: 100 × 3.6 = 360.