Calories to Kilojoules Converter
1 Calorie = 0.004184 Kilojoules
cal
kJ
1 cal = 0.004184 kJ. To convert calories to kilojoules, multiply by 0.004184; to convert back, multiply by 239.006.
Conversion formula
1 cal = 0.004184 kJ
To convert from Calories to Kilojoules, multiply the value in calories by 0.004184.
| Calories (cal) | Kilojoules (kJ) |
|---|---|
| 0.001 | 0.000004184 |
| 0.01 | 0.00004184 |
| 0.1 | 0.0004184 |
| 1 | 0.004184 |
| 2 | 0.008368 |
| 5 | 0.02092 |
| 10 | 0.04184 |
| 25 | 0.1046 |
| 50 | 0.2092 |
| 100 | 0.4184 |
| 250 | 1.046 |
| 500 | 2.092 |
| 1000 | 4.184 |
1 calorie in every energy unit
| Joules | 4.184 J |
| Kilojoules | 0.004184 kJ |
| Megajoules | 0.000004184 MJ |
| Kilocalories | 0.001 kcal |
| Watt-hours | 0.00116222 Wh |
| Kilowatt-hours | 0.00000116222 kWh |
| British Thermal Units | 0.00396567 BTU |
Frequently Asked Questions
How many kilojoules are in 1 calorie?
1 calorie equals 0.004184 kilojoules. So 10 calories are 0.04184 kilojoules and 100 calories are 0.4184 kilojoules.
How do I convert calories to kilojoules by hand?
Multiply the number of calories by 0.004184. To go the other way, multiply kilojoules by 239.006 (or divide by 0.004184).
How many calories are in 1 kilojoule?
1 kilojoule equals 239.006 calories.