cal to kJ Converter
Convert cal to kJ instantly: 1 cal = 0.004184 kJ. Free converter with the formula, a reference table and FAQs — no sign-up.
| cal | kJ |
|---|
How to convert cal to kJ
Enter your value
Type the number of cal you want to convert into the left box. The result in kj appears instantly in the right box. You can also type into the right box to convert in the other direction.
Use the swap button
Click the ⇄ Swap button to reverse the conversion — kJ to cal. Your current value carries across so you don't have to re-enter anything.
About cal and kJ
cal and kJ are common energy measurements.
Worked examples: cal to kJ
Multiply the cal value by 0.004184 to get kJ. A few quick examples:
- 5 cal × 0.004184 = 0.02092 kJ
- 25 cal × 0.004184 = 0.1046 kJ
- 250 cal × 0.004184 = 1.046 kJ
| cal | kJ |
|---|---|
| 1 | 0.004184 |
| 100 | 0.4184 |
| 239 | 1 |
| 500 | 2.092 |
| 1000 | 4.184 |
| 5000 | 20.92 |
Frequently asked questions
How do I convert cal to kJ?
To convert cal to kJ, multiply by 0.004184. Or use the calculator above for instant results.
How many kJ are in 1 cal?
1 cal equals 0.004184 kJ.
Is the cal to kJ converter free?
Yes, the cal to kJ converter is completely free with no sign-up required, no downloads, and it works offline once the page has loaded.