QConvert
Kilocalorie to Joule Converter
Convert Kilocalorie to Joule instantly — live results with exact conversion factors.
Answer
1 kilocalorie = 4184 joules. To convert kcal to J, multiply by 4184.
Quick Reference Table
| Kilocalorie (kcal) | Joule (J) |
|---|---|
| 1 | 4184 |
| 2 | 8368 |
| 5 | 20920 |
| 10 | 41840 |
| 20 | 83680 |
| 50 | 209200 |
| 100 | 418400 |
| 250 | 1046000 |
| 500 | 2092000 |
| 1000 | 4184000 |
Formula
Convert Kilocalorie (kcal) to Joule (J) using the relationship:
J = kcal × 4184
How to Convert
- Take the value in kilocalories (kcal).
- Multiply it by 4184 (the conversion factor from kcal to J).
- The result is the equivalent value in joules (J).
- Example: 1 kcal = 4184 J.
Reverse Conversion
Need it the other direction? Joule to Kilocalorie conversion.
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FAQ
▸ How many joules are in 1 kilocalorie?
1 Kilocalorie equals 4184 joules. Multiply by 4184 to convert kcal to J.
▸ What is the formula to convert kilocalorie to joule?
Multiply the value in kilocalories by 4184 to get joules. Formula: J = kcal × 4184.
▸ How do I convert kilocalories to joules easily?
Enter your value in the converter at the top of this page — the joules result updates live as you type. You can also multiply by 4184 directly.