Since one kilowatt-hour is equal to 3,600,000 joules, you can use this simple formula to convert:
How Many Joules are in a Kilowatt-hour?
There are 3,600,000 joules in a kilowatt-hour, which is why we use this value in the formula above.
1 kWh = 3,600,000 J
Kilowatt-hours and joules are both units used to measure energy. Keep reading to learn more about each unit of measure.
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A kilowatt-hour is a measure of electrical energy equal to one kilowatt, or 1,000 watts, of power over a one hour period. Kilowatt-hours are a measure of electrical work performed over a period of time, and are often used as a way of measuring energy usage by electric companies.
Kilowatt-hours are usually abbreviated as kWh, although the formally adopted expression is kW·h. The abbreviation kWh is also sometimes used. For example, 1 kilowatt-hour can be written as 1 kWh, 1 kW·h, or 1 kWh.
In formal expressions, the centered dot (·) or space is used to separate units used to indicate multiplication in an expression and to avoid conflicting prefixes being misinterpreted as a unit symbol.<1>
The joule is the energy equal to the force on an object of one newton at a distance of one meter.<2> One joule is equal to the heat energy dissipated by the current of one ampere through one ohm of resistance for one second.
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One joule is also equal to the energy needed to move an electric charge of one coulomb through a potential difference of one volt. In addition, one joule is also equal to the one watt-second.
The joule is the SI derived unit for energy in the metric system. Joules can be abbreviated as J; for example, 1 joule can be written as 1 J.
Kilowatt-hour to Joule Conversion Table
|0.000001 kWh||3.6 J|
|0.000002 kWh||7.2 J|
|0.000003 kWh||10.8 J|
|0.000004 kWh||14.4 J|
|0.000005 kWh||18 J|
|0.000006 kWh||21.6 J|
|0.000007 kWh||25.2 J|
|0.000008 kWh||28.8 J|
|0.000009 kWh||32.4 J|
|0.0000001 kWh||0.36 J|
|0.000001 kWh||3.6 J|
|0.00001 kWh||36 J|
|0.0001 kWh||360 J|
|0.001 kWh||3,600 J|
|0.01 kWh||36,000 J|
|0.1 kWh||360,000 J|
|1 kWh||3,600,000 J|