Joule to Kilowatt Hour Converter

Quick Answer

1 J = 2.7778e-7 kWh

Formula: Kilowatt Hour = Joule x 2.7778e-7

Formula verifiedLive calculation

From (Joule)J

To (Kilowatt Hour)

2.7778e-7kWh

Quick values

Joule to Kilowatt Hour Conversion Table

Joule (J)	Kilowatt Hour (kWh)	Formula Step
1	2.7778e-7	1 x 2.7778e-7
2	5.5556e-7	2 x 2.7778e-7
3	8.3333e-7	3 x 2.7778e-7
4	1.1111e-6	4 x 2.7778e-7
5	1.3889e-6	5 x 2.7778e-7
6	1.6667e-6	6 x 2.7778e-7
7	1.9444e-6	7 x 2.7778e-7
8	2.2222e-6	8 x 2.7778e-7
9	2.5000e-6	9 x 2.7778e-7
10	2.7778e-6	10 x 2.7778e-7

Convert Joule to Other Energy Units

Joule to Watt Hour Joule to Ton of TNT Joule to Ton of Oil Equivalent Joule to Ton of Coal Equivalent Joule to Therm (US)Joule to Therm (EC)Joule to Therm Joule to Terawatt Hour Joule to Terajoule Joule to Teraelectron Volt Joule to Rydberg Joule to Quintillion BTU Joule to Quadrillion BTU Joule to Planck Energy Joule to Picojoule Joule to Petajoule Joule to Newton Meter Joule to Nanojoule Joule to Milliwatt Hour Joule to Millijoule Joule to Millicalorie Joule to Microwatt Hour Joule to Microjoule Joule to Megawatt Hour Joule to Megaton of TNT Joule to Megajoule Joule to Megaelectron Volt Joule to Megacalorie Joule to Liter-Atmosphere Joule to Kilowatt Hour Joule to Kiloton of TNT Joule to Kilojoule Joule to Kiloelectron Volt Joule to Kilocalorie Joule to Inch-Pound Joule to Inch-Ounce Joule to Horsepower Hour Joule to Hartree Joule to Gram-Force Meter Joule to Gigawatt Hour Joule to Gigajoule Joule to Gigaelectron Volt Joule to Foot-Poundal Joule to Foot-Pound Joule to Femtojoule Joule to Exajoule Joule to Erg Joule to Electron Volt Joule to Dyne Centimeter Joule to Cubic Foot of Natural Gas Joule to Calorie Joule to British Thermal Unit Joule to Barrel of Oil Equivalent Joule to Attojoule

Frequently Asked Questions

How do you convert Joule to Kilowatt Hour?

Use the formula Kilowatt Hour = Joule x 2.7778e-7. For example: 1 J = 2.7778e-7 kWh. Our calculator handles this automatically.

How many Kilowatt Hours in a Joule?

1 J = 2.7778e-7 kWh.

Why would I need to convert Joule to Kilowatt Hour?

Converting Joule to Kilowatt Hour is useful for scientific calculations, engineering projects, international trade, and everyday measurements where different unit systems are used.

Energy reference calculator

Reference factors

2.7778e-7

kWh per J

3600000

J per kWh

Formula audit

Kilowatt Hour = Joule x 2.7778e-7

1 J = 2.7778e-7 kWh

Results use the shared conversion engine and retain the full conversion rule before display formatting.

Unit reference

CategoryEnergy

Input unitJoule (J)

Output unitKilowatt Hour (kWh)