⚡ kJ to J — Kilojoule to Joule Converter
Convert energy units — joules, calories, kilowatt-hours, BTU, kilojoules.
All Kilojoule conversions
| Unit | Name | Value |
|---|---|---|
| J | Joule | 1000 |
| cal | Calorie | 239.00574 |
| kcal | Kilocalorie (Cal) | 0.23900574 |
| kWh | Kilowatt-hour | 0.00027777778 |
| BTU | BTU | 0.94781339 |
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About Kilojoule to Joule Conversion
The Kilojoule (kJ) and the Joule (J) are both units of energy. Converting between them is straightforward using the formula above.
Formula: 1 kJ = 1000 J
This converter uses internationally recognized conversion factors. All calculations are performed client-side in your browser — no data is sent to any server.
Frequently Asked Questions
How do I convert Kilojoule to Joule?
Use the converter above — enter your value in Kilojoule and the result appears instantly in Joule. The formula is: 1 kJ = 1000 J
How many Joule are in 100 Kilojoule?
100 kJ = 100000 J
What is 1 Kilojoule in Joule?
1 kJ = 1000 J
Is this Kilojoule to Joule converter free?
Yes — Unitafy is completely free, requires no signup, and works instantly in your browser.