Kilojoules to kilocalories converter
Kilocalories (kcal)
1 kilojoule = 0.2390057361 kilocalories
How to convert kilojoules to kilocalories
kcal = kJ × 0.239005736138
Multiply the number of kilojoules by 0.239005736138 to get kilocalories. Going the other way, divide by 0.239005736138 (or multiply by 4.184).
One kilojoule is exactly defined as 0.239005736138 kilocalories (to 12 significant figures), and one kilocalorie is 4.184 kilojoules.
Worked examples
- Convert 5 kilojoules: 5 × 0.239005736138 = 1.195028681 1.195028681 kilocalories.
- Convert 12.5 kilojoules: 12.5 × 0.239005736138 = 2.987571702 2.987571702 kilocalories.
- Convert 250 kilojoules: 250 × 0.239005736138 = 59.75143403 59.75143403 kilocalories.
Quick-reference table
| kJ | kcal |
|---|---|
| 1 | 0.2390057361 |
| 2 | 0.4780114723 |
| 3 | 0.7170172084 |
| 5 | 1.195028681 |
| 10 | 2.390057361 |
| 15 | 3.585086042 |
| 20 | 4.780114723 |
| 25 | 5.975143403 |
| 50 | 11.95028681 |
| 75 | 17.92543021 |
| 100 | 23.90057361 |
| 1,000 | 239.0057361 |
| kcal | kJ |
|---|---|
| 1 | 4.184 |
| 2 | 8.368 |
| 3 | 12.552 |
| 5 | 20.92 |
| 10 | 41.84 |
| 15 | 62.76 |
| 20 | 83.68 |
| 25 | 104.6 |
| 50 | 209.2 |
| 75 | 313.8 |
| 100 | 418.4 |
| 1,000 | 4,184 |
Related conversions
Frequently asked questions
How many kilocalories are in 1 kilojoule?
1 kilojoule equals 0.2390057361 kilocalories.
What is the formula to convert kilojoules to kilocalories?
Use kcal = kJ × 0.239005736138. Multiply the number of kilojoules by 0.239005736138 to get kilocalories. Going the other way, divide by 0.239005736138 (or multiply by 4.184).
What is 100 kilojoules in kilocalories?
100 kilojoules is 23.90057361 kilocalories.