Use this free online calculator to convert Kilowatt Hour to Gigajoule instantly. This energy conversion tool provides accurate results for all your measurement needs.

Quick Reference

1 Kilowatt Hour = 3.600e-3 Gigajoule

1 Gigajoule = 277.7778 Kilowatt Hour

Kilowatt Hour to Gigajoule Conversion Formula

To convert Kilowatt Hour to Gigajoule, multiply by 3.600e-3.

Gigajoule = Kilowatt Hour × 3.600e-3

Kilowatt Hour = Gigajoule × 277.7778

To convert Gigajoule back to Kilowatt Hour, divide by 3.600e-3 (or multiply by 277.7778).

About These Units

About Kilowatt Hour

The SI (International System of Units) unit of energy is the joule (J), equal to one watt - second; one kilowatt hour is exactly 3.6 megajoules, which is the amount of energy transferred if work is done at a rate of one thousand watts for one hour. The kilowatt hour is a convenient unit for electrical bills because the energy usage of a typical electrical customer in one month is several hundred kilowatt hours. Megawatt hours and terawatt hours are used for metering larger amounts of electrical energy

About Gigajoule

The gigajoule is a unit of energy used to measure work, heat, or power in various scientific and engineering contexts.

Kilowatt Hour to Gigajoule Conversion Table

Kilowatt Hour	Gigajoule	Gigajoule	Kilowatt Hour
0.1	3.600e-4	0.1	27.7778
0.5	1.800e-3	0.5	138.8889
1	3.600e-3	1	277.7778
2	7.200e-3	2	555.5556
5	0.018000	5	1388.89
10	0.036000	10	2777.78
20	0.072000	20	5555.56
25	0.090000	25	6944.44
50	0.180000	50	13888.89
100	0.360000	100	27777.78
250	0.900000	250	69444.44
500	1.8000	500	138888.89
1000	3.6000	1000	277777.78

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