Calorie to Kilojoule
1 cal = 0.004184 kJ
One calorie equals 0.004184 kilojoules, and one kilojoule equals 239.005736 calories.
Calorie to Kilojoule formula
kJ = cal × 0.004184
To convert calories to kilojoules, multiply the value by 0.004184. One calorie equals 0.004184 kilojoules.
Step-by-step examples
Convert 1 calories to kilojoules
- 1Start with the value in calories: 1 cal.
- 2Multiply by the conversion factor 0.004184.
- 31 × 0.004184 = 0.004184 kJ.
Result: 1 cal = 0.004184 kJ
Convert 10 calories to kilojoules
- 1Start with the value in calories: 10 cal.
- 2Multiply by the conversion factor 0.004184.
- 310 × 0.004184 = 0.04184 kJ.
Result: 10 cal = 0.04184 kJ
Convert 100 calories to kilojoules
- 1Start with the value in calories: 100 cal.
- 2Multiply by the conversion factor 0.004184.
- 3100 × 0.004184 = 0.4184 kJ.
Result: 100 cal = 0.4184 kJ
Calorie to Kilojoule conversion table
| Calorie (cal) | Kilojoule (kJ) |
|---|---|
| 0.01 | 0.000042 |
| 0.1 | 0.000418 |
| 0.5 | 0.002092 |
| 1 | 0.004184 |
| 2 | 0.008368 |
| 3 | 0.012552 |
| 4 | 0.016736 |
| 5 | 0.02092 |
| 10 | 0.04184 |
| 20 | 0.08368 |
| 25 | 0.1046 |
| 50 | 0.2092 |
| 100 | 0.4184 |
| 250 | 1.046 |
| 500 | 2.092 |
| 1000 | 4.184 |
Calorie to Kilojoule chart
cal (horizontal) vs kJ (vertical)
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Reverse: Kilojoule to CalorieConvert from the same unit
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Frequently asked questions
How many kilojoules are in a calorie?
There are 0.004184 kilojoules in one calorie (1 cal = 0.004184 kJ).
How do you convert calories to kilojoules?
To convert calories to kilojoules, multiply the value by 0.004184. One calorie equals 0.004184 kilojoules.
What is 10 calories in kilojoules?
10 calories equals 0.04184 kilojoules.
How many calories are in a kilojoule?
One kilojoule equals 239.005736 calories (1 kJ = 239.005736 cal).