Kilocalorie to Joule Converter
Convert Kilocalories to Joules
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How to Convert Kilocalories to Joules
To convert kilocalories to joules, multiply the number of kilocalories by 4,184. This is because 1 kilocalorie is equal to 4,184 joules.
Formula
Joules = Kilocalories × 4,184
or
J = 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 joules
Examples
- 5 kcal = 5 × 4,184 = 20,920 joules
- 20 kcal = 20 × 4,184 = 83,680 joules
- 100 kcal = 100 × 4,184 = 418,400 joules
Common Kilocalories to Joules Conversions
Here is a table of common conversions for quick reference:
| Kilocalories (kcal) | Joules (J) | Kilocalories (kcal) | Joules (J) |
|---|---|---|---|
| 1 | 4,184 | 50 | 209,200 |
| 2 | 8,368 | 100 | 418,400 |
| 5 | 20,920 | 250 | 1,046,000 |
| 10 | 41,840 | 500 | 2,092,000 |
| 25 | 104,600 | 1,000 | 4,184,000 |
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 joule?
There are 0.000239 kilocalories in one joule.