Kilojoules to Calories
Convert kJ to cal. 1 kilojoule = 239.005736138 cal, and 1 calorie = 0.004184 kJ.
Formula Multiply the value in kilojoules by 239.005736138. Kilojoules to Calories table
1 kilojoule in every unit
| Joules | 1,000 | J |
|---|---|---|
| Megajoules | 0.001 | MJ |
| Calories | 239.005736138 | cal |
| Kilocalories | 0.239005736138 | kcal |
| Watt-hours | 0.277777777778 | Wh |
| Kilowatt-hours | 0.000277777778 | kWh |
| British thermal units | 0.947817120313 | BTU |
| Foot-pounds | 737.562149277 | ft·lbf |
| Electronvolts | 6.241509e+21 | eV |
Food labels write kilocalories (kcal) as "Calories". Calories here are thermochemical: 1 cal = 4.184 J.
How to convert kilojoules to calories
Multiply the value in kilojoules by 239.005736138.
For example, 10 kJ = 2,390.05736138 cal, and 10 cal = 0.04184 kJ.
Frequently asked questions
How many calories are in one kilojoule?
1 kilojoule = 239.005736138 cal.
What is 10 kJ in cal?
10 kJ = 2,390.05736138 cal.
How do I convert cal back to kJ?
Multiply the value in calories by 0.004184. 1 calorie = 0.004184 kJ.
Kilojoules to Calories table
| Kilojoules (kJ) | Calories (cal) |
|---|---|
| 0.1 | 23.9005736138 |
| 0.5 | 119.502868069 |
| 1 | 239.005736138 |
| 2 | 478.011472275 |
| 3 | 717.017208413 |
| 4 | 956.022944551 |
| 5 | 1,195.02868069 |
| 6 | 1,434.03441683 |
| 7 | 1,673.04015296 |
| 8 | 1,912.0458891 |
| 9 | 2,151.05162524 |
| 10 | 2,390.05736138 |
| 15 | 3,585.08604207 |
| 20 | 4,780.11472275 |
| 25 | 5,975.14340344 |
| 30 | 7,170.17208413 |
| 50 | 11,950.2868069 |
| 75 | 17,925.4302103 |
| 100 | 23,900.5736138 |
| 250 | 59,751.4340344 |
| 500 | 119,502.868069 |
| 1,000 | 239,005.736138 |
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