Kilojoules to calories converter
Calories (cal)
1 kilojoule = 239.0057361 calories
How to convert kilojoules to calories
cal = kJ × 239.005736138
Multiply the number of kilojoules by 239.005736138 to get calories. Going the other way, divide by 239.005736138 (or multiply by 0.004184).
One kilojoule is exactly defined as 239.005736138 calories (to 12 significant figures), and one calorie is 0.004184 kilojoules.
Worked examples
- Convert 5 kilojoules: 5 × 239.005736138 = 1,195.028681 1,195.028681 calories.
- Convert 12.5 kilojoules: 12.5 × 239.005736138 = 2,987.571702 2,987.571702 calories.
- Convert 250 kilojoules: 250 × 239.005736138 = 59,751.43403 59,751.43403 calories.
Quick-reference table
| kJ | cal |
|---|---|
| 1 | 239.0057361 |
| 2 | 478.0114723 |
| 3 | 717.0172084 |
| 5 | 1,195.028681 |
| 10 | 2,390.057361 |
| 15 | 3,585.086042 |
| 20 | 4,780.114723 |
| 25 | 5,975.143403 |
| 50 | 11,950.28681 |
| 75 | 17,925.43021 |
| 100 | 23,900.57361 |
| 1,000 | 239,005.7361 |
| cal | kJ |
|---|---|
| 1 | 0.004184 |
| 2 | 0.008368 |
| 3 | 0.012552 |
| 5 | 0.02092 |
| 10 | 0.04184 |
| 15 | 0.06276 |
| 20 | 0.08368 |
| 25 | 0.1046 |
| 50 | 0.2092 |
| 75 | 0.3138 |
| 100 | 0.4184 |
| 1,000 | 4.184 |
Related conversions
Frequently asked questions
How many calories are in 1 kilojoule?
1 kilojoule equals 239.0057361 calories.
What is the formula to convert kilojoules to calories?
Use cal = kJ × 239.005736138. Multiply the number of kilojoules by 239.005736138 to get calories. Going the other way, divide by 239.005736138 (or multiply by 0.004184).
What is 100 kilojoules in calories?
100 kilojoules is 23,900.57361 calories.