⚡ Energy
kJ to cal Converter
Convert kJ to cal instantly with a reference conversion table.
Quick answer: To convert kJ to cal, multiply by 239.006. For example, 1 kJ = 239.006 cal. Use the calculator below for any value.
kJ to cal
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Common conversions
| kJ | cal |
|---|
Formula:
How to convert kJ to cal
1
Enter your value
Type the number of kj you want to convert into the left box. The result in cal appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — cal to kJ. Your current value carries across so you don't have to re-enter anything.
3
About kJ and cal
kJ and cal are common energy measurements.
📊 Common conversions at a glance
| kJ | cal |
|---|---|
| 0.00418 | 0.999 |
| 0.001 | 0.239 |
| 0.01 | 2.39 |
| 0.1 | 23.9 |
| 1 | 239 |
| 5 | 1195 |
Reviewed for 2026. kJ ↔ cal conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.
Frequently asked questions
How do I convert kJ to cal?
To convert kJ to cal, multiply by 239.006. Or use the calculator above for instant results.
How many cal are in 1 kJ?
1 kJ equals 239.006 cal.
Is the kJ to cal converter free?
Yes, the kJ to cal converter is completely free with no sign-up required, no downloads, and it works offline once the page has loaded.