Kilocalorie to Kilojoule Converter
Convert Kilocalories to Kilojoules
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How to Convert Kilocalories to Kilojoules
To convert kilocalories to kilojoules, multiply the number of kilocalories by 4.184. This is because 1 kilocalorie is equal to 4.184 kilojoules.
Formula
Kilojoules = Kilocalories × 4.184
or
kJ = kcal × 4.184
Step-by-step process
- Take the measurement in kilocalories
- Multiply that number by 4.184
- The result is the equivalent energy in kilojoules
Examples
- 5 kcal = 5 × 4.184 = 20.92 kJ
- 20 kcal = 20 × 4.184 = 83.68 kJ
- 100 kcal = 100 × 4.184 = 418.4 kJ
Common Kilocalories to Kilojoules Conversions
Here is a table of common conversions for quick reference:
| Kilocalories (kcal) | Kilojoules (kJ) | Kilocalories (kcal) | Kilojoules (kJ) |
|---|---|---|---|
| 1 | 4.184 | 50 | 209.2 |
| 2 | 8.368 | 100 | 418.4 |
| 5 | 20.92 | 250 | 1,046 |
| 10 | 41.84 | 500 | 2,092 |
| 25 | 104.6 | 1,000 | 4,184 |
Other conversions from kilocalories
Kilocalories can be converted to various other units of energy. Here are some common conversions:
Frequently Asked Questions
How many kilocalories are in a kilojoule?
There are 0.239 kilocalories in one kilojoule.