Calories to Kilojoules Converter
1 calorie = 0.004184 kilojoules
1 kilojoule = 239.0057 calories
How to convert calories to kilojoules
To convert calories to kilojoules, multiply the value in calories by 0.004184.
kJ = cal × 0.004184
Example: 100 cal × 0.004184 = 0.4184 kJ
Calories to Kilojoules conversion table
| Calorie (cal) | Kilojoule (kJ) |
|---|---|
| 1 cal | 0.004184 kJ |
| 2 cal | 0.008368 kJ |
| 3 cal | 0.012552 kJ |
| 4 cal | 0.016736 kJ |
| 5 cal | 0.02092 kJ |
| 6 cal | 0.025104 kJ |
| 7 cal | 0.029288 kJ |
| 8 cal | 0.033472 kJ |
| 9 cal | 0.037656 kJ |
| 10 cal | 0.04184 kJ |
| 12 cal | 0.050208 kJ |
| 15 cal | 0.06276 kJ |
| 20 cal | 0.08368 kJ |
| 25 cal | 0.1046 kJ |
| 30 cal | 0.12552 kJ |
| 40 cal | 0.16736 kJ |
| 50 cal | 0.2092 kJ |
| 60 cal | 0.25104 kJ |
| 70 cal | 0.29288 kJ |
| 75 cal | 0.3138 kJ |
| 80 cal | 0.33472 kJ |
| 90 cal | 0.37656 kJ |
| 100 cal | 0.4184 kJ |
| 150 cal | 0.6276 kJ |
| 200 cal | 0.8368 kJ |
| 250 cal | 1.046 kJ |
| 500 cal | 2.092 kJ |
| 1,000 cal | 4.184 kJ |
About these units
Calorie (cal)
The calorie (cal) is a unit of energy. 1 calorie equals 4.184 joules. This value is exact by definition.
Kilojoule (kJ)
The kilojoule (kJ) is a unit of energy in the International System of Units (SI). 1 kilojoule equals 1,000 joules. This value is exact by definition.
Frequently asked questions
What is 1 calorie in kilojoules?
1 calorie equals 0.004184 kilojoules.
How do I convert calories to kilojoules?
To convert calories to kilojoules, multiply the value in calories by 0.004184. Example: 100 cal × 0.004184 = 0.4184 kJ
What is 100 cal in kilojoules?
100 calories equals 0.4184 kilojoules.