Kilojoule to kWh
Convert Kilojoule to kWh instantly. Free online engineering unit converter with exact formula, conversion table and FAQ.
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Formula
kWh = kJ × 0.000277778
kJ = kWh × 3600
Conversion table
| 1 kJ | 0.000277778 kWh |
| 5 kJ | 0.00138889 kWh |
| 10 kJ | 0.00277778 kWh |
| 20 kJ | 0.00555556 kWh |
| 50 kJ | 0.0138889 kWh |
| 100 kJ | 0.0277778 kWh |
| 500 kJ | 0.138889 kWh |
| 1000 kJ | 0.277778 kWh |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the Kilojoule (kJ). Kilojoule is 1000 joule units.
What is the destination unit in this conversion?
The destination unit is the kWh (kWh). A kilowatt-hour is 3.6 million joules.
How do I convert Kilojoule to kWh?
Multiply the Kilojoule value by 0.000277778. For example, 10 kJ × 0.000277778 = 0.00277778 kWh.
Is the Kilojoule to kWh conversion exact?
Yes. Both units belong to the same engineering measurement family (energy), so the ratio between them is a fixed, defined value rather than a measured approximation.
Where is this conversion commonly used?
It's used whenever a value expressed in Kilojoule needs to be compared with, or reported in, kWh, such as in engineering, scientific, or industrial calculations.
Can I convert kWh back to Kilojoule?
Yes. Multiply the kWh value by 3600 to get Kilojoule.
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About this conversion
This page converts Kilojoule (kJ) to kWh (kWh) within the engineering converter.
Kilojoule is 1000 joule units. A kilowatt-hour is 3.6 million joules.
The formula is kWh = kJ × 0.000277778, based on each unit's fixed relationship to the energy base unit.
The conversion is exact, since it relies on a fixed numerical ratio between the two units rather than a measured or approximate value.
Use the calculator above for instant results, or the table below for common Kilojoule values already converted to kWh.