Megajoule to Kilowatt-hour

1 MJ = 0.27777778 kWh

Value

From

Precision & format

Significant figures

Notation

1 MJ equals

0.2777777778kWh

All 21 units

JouleJ
1,000,000
KilojoulekJ
1,000
MegajouleMJ
1
GigajouleGJ
0.001
MillijoulemJ
1,000,000,000
Calorie (thermochemical)cal
exactly 4.184 J
239,005.7361
Kilocalorie (thermochemical)kcal
food Calorie
239.0057361
Calorie (IT)cal (IT)
International Table
238,845.8966
Kilocalorie (IT)kcal (IT)
238.8458966
Watt-hourWh
277.7777778
Kilowatt-hourkWh
0.2777777778
Megawatt-hourMWh
0.0002777777778
BTU (IT)BTU
International Table
947.8171203
BTU (thermochemical)BTU (th)
948.4514148
Therm (US)thm
100 000 BTU
0.00948043428
Foot-poundft·lbf
737,562.1493
Ergerg
10,000,000,000,000
ElectronvolteV
6.241509074 × 10²⁴
KiloelectronvoltkeV
6.241509074 × 10²¹
MegaelectronvoltMeV
6.241509074 × 10¹⁸
Tonne of oil equivalenttoe
0.00002388458966

Megajoule to Kilowatt-hour table

Common Megajoule values converted to Kilowatt-hour
Megajoule (MJ)	Kilowatt-hour (kWh)
1	0.27777778
2	0.55555556
5	1.3888889
10	2.7777778
20	5.5555556
50	13.888889
100	27.777778
250	69.444444
500	138.88889
1,000	277.77778

How the conversion works

Multiply the megajoule figure by 0.2777777778 to get kilowatt-hour. Every factor on this site is anchored to the SI base unit for energy, so the same number is used everywhere it appears.

Going the other way, 1 kWh = 3.6 MJ — see kilowatt-hour to megajoule.

See all 21 energy units →