calorie to kilojoule
Live calorie (cal) to kilojoule (kJ) converter. Plus a 10-value reference table and FAQs.
Conversion table
Ten sample values from calorie to kilojoule. Use the converter above for arbitrary values.
| calorie (cal) | → | kilojoule (kJ) |
|---|---|---|
| 0.001 cal | → | 4.1840e-6 kJ |
| 0.01 cal | → | 4.1840e-5 kJ |
| 0.1 cal | → | 0.000418 kJ |
| 0.5 cal | → | 0.002092 kJ |
| 1 cal | → | 0.004184 kJ |
| 2 cal | → | 0.008368 kJ |
| 5 cal | → | 0.02092 kJ |
| 10 cal | → | 0.04184 kJ |
| 100 cal | → | 0.4184 kJ |
| 1,000 cal | → | 4.184 kJ |
About the calorie
4.184 J. The energy to heat 1 g water by 1 °C.
About the kilojoule
1000 J. Food labels in some countries.
Frequently asked questions
Frequently Asked Questions
How do I convert calorie to kilojoule?
Multiply the calorie value by 0.004184 to get it in kilojoule. For example, 10 cal = 0.0418 kJ.
What is 1 cal in kJ?
1 cal = 0.004184 kJ.
What is 100 cal in kJ?
100 cal = 0.4184 kJ.
What is the formula?
Linear: multiply by 0.004184 (the unit factor ratio).
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