Kilojoule to Kilocalorie Converter
Convert kilojoules to kilocalories with this free energy converter. The exact relationship used on this page is 1 kilojoule = 0.239005736138 kilocalories. Type any number — the result updates instantly, works on phones and desktops, and is ready to copy into homework, a spec sheet, or a shopping list.
Formula: Kilocalorie = Kilojoule × 0.239005736138
How to convert kilojoules to kilocalories
- Enter the value in kilojoules in the converter.
- Read the equivalent amount in kilocalories.
- Use the swap link if you need kilocalorie to kilojoule instead.
- Check the table for common values without typing.
Worked examples
- 1 kJ = 0.2390057361 kcal
- 5 kJ = 1.195028681 kcal
- 10 kJ = 2.390057361 kcal
- 25 kJ = 5.975143403 kcal
Conversion table
Common kilojoules values converted to kilocalories.
| kJ | kcal |
|---|---|
| 1 | 0.2390057361 |
| 2 | 0.4780114723 |
| 3 | 0.7170172084 |
| 4 | 0.9560229446 |
| 5 | 1.195028681 |
| 6 | 1.434034417 |
| 7 | 1.673040153 |
| 8 | 1.912045889 |
| 9 | 2.151051625 |
| 10 | 2.390057361 |
| 20 | 4.780114723 |
| 50 | 11.95028681 |
| 100 | 23.90057361 |
| 250 | 59.75143403 |
| 500 | 119.5028681 |
| 1,000 | 239.0057361 |
About this conversion
Kilojoule (kJ) and Kilocalorie (kcal) are both energy units. Energy converters connect food labels (kcal), electricity bills (kWh), physics (joules), and heating (BTU). Bookmark this URL when you convert kilojoules to kilocalories often, then explore related pairs in the same category if you need a different target unit.
Need the other direction? Open the kilocalorie to kilojoule converter.
FAQ
How many kilocalories are in 1 kilojoule?+
1 kilojoule equals 0.239005736138 kilocalories.
What is the formula to convert kilojoules to kilocalories?+
Kilocalorie = Kilojoule × 0.239005736138
How do I convert kilojoules to kilocalories by hand?+
Multiply the kilojoule value by 0.239005736138. Example: 10 kilojoules × 0.239005736138 = 2.39005736138 kilocalories.
Is this kJ to kcal converter accurate?+
Yes. Linear conversions use internationally agreed factors relative to SI. Temperature and inverse fuel units use the standard offset or reciprocal formulas, not a guessed scale factor.