⚡ cal to kJ — Calorie to Kilojoule Converter
Convert energy units — joules, calories, kilowatt-hours, BTU, kilojoules.
All Calorie conversions
| Unit | Name | Value |
|---|---|---|
| J | Joule | 4.184 |
| kJ | Kilojoule | 0.004184 |
| kcal | Kilocalorie (Cal) | 0.001 |
| kWh | Kilowatt-hour | 0.0000011622222 |
| BTU | BTU | 0.0039656512 |
Related Energy conversions
About Calorie to Kilojoule Conversion
The Calorie (cal) and the Kilojoule (kJ) are both units of energy. Converting between them is straightforward using the formula above.
Formula: 1 cal = 0.004184 kJ
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 Calorie to Kilojoule?
Use the converter above — enter your value in Calorie and the result appears instantly in Kilojoule. The formula is: 1 cal = 0.004184 kJ
How many Kilojoule are in 100 Calorie?
100 cal = 0.4184 kJ
What is 1 Calorie in Kilojoule?
1 cal = 0.004184 kJ
Is this Calorie to Kilojoule converter free?
Yes — Unitafy is completely free, requires no signup, and works instantly in your browser.