Kilowatt-hour to Kilojoule

1 kWh = 3,600 kJ

Value

From

Precision & format

Significant figures

Notation

1 kWh equals

3,600kJ

All 21 units

JouleJ
3,600,000
KilojoulekJ
3,600
MegajouleMJ
3.6
GigajouleGJ
0.0036
MillijoulemJ
3,600,000,000
Calorie (thermochemical)cal
exactly 4.184 J
860,420.6501
Kilocalorie (thermochemical)kcal
food Calorie
860.4206501
Calorie (IT)cal (IT)
International Table
859,845.2279
Kilocalorie (IT)kcal (IT)
859.8452279
Watt-hourWh
1,000
Kilowatt-hourkWh
1
Megawatt-hourMWh
0.001
BTU (IT)BTU
International Table
3,412.141633
BTU (thermochemical)BTU (th)
3,414.425093
Therm (US)thm
100 000 BTU
0.03412956341
Foot-poundft·lbf
2,655,223.737
Ergerg
36,000,000,000,000
ElectronvolteV
2.246943267 × 10²⁵
KiloelectronvoltkeV
2.246943267 × 10²²
MegaelectronvoltMeV
2.246943267 × 10¹⁹
Tonne of oil equivalenttoe
0.00008598452279

Kilowatt-hour to Kilojoule table

Common Kilowatt-hour values converted to Kilojoule
Kilowatt-hour (kWh)	Kilojoule (kJ)
1	3,600
2	7,200
5	18,000
10	36,000
20	72,000
50	180,000
100	360,000
250	900,000
500	1,800,000
1,000	3,600,000

How the conversion works

Multiply the kilowatt-hour figure by 3,600 to get kilojoule. 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 kJ = 0.00027777778 kWh — see kilojoule to kilowatt-hour.

See all 21 energy units →