Kilocalorie to Gigajoule Converter
Convert Kilocalorie to Gigajoule instantly — live results with exact conversion factors.
Answer
1 kilocalorie = 0.000004184 gigajoules. To convert kcal to GJ, multiply by 0.000004184.
Quick Reference Table
| Kilocalorie (kcal) | Gigajoule (GJ) |
|---|---|
| 1 | 0.000004184 |
| 2 | 0.000008368 |
| 5 | 0.00002092 |
| 10 | 0.00004184 |
| 20 | 0.00008368 |
| 50 | 0.0002092 |
| 100 | 0.0004184 |
| 250 | 0.001046 |
| 500 | 0.002092 |
| 1000 | 0.004184 |
Formula
Convert Kilocalorie (kcal) to Gigajoule (GJ) using the relationship:
GJ = kcal × 0.000004184
How to Convert
- Take the value in kilocalories (kcal).
- Multiply it by 0.000004184 (the conversion factor from kcal to GJ).
- The result is the equivalent value in gigajoules (GJ).
- Example: 1 kcal = 0.000004184 GJ.
Reverse Conversion
Need it the other direction? Gigajoule to Kilocalorie conversion.
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FAQ
▸ How many gigajoules are in 1 kilocalorie?
1 Kilocalorie equals 0.000004184 gigajoules. Multiply by 0.000004184 to convert kcal to GJ.
▸ What is the formula to convert kilocalorie to gigajoule?
Multiply the value in kilocalories by 0.000004184 to get gigajoules. Formula: GJ = kcal × 0.000004184.
▸ How do I convert kilocalories to gigajoules easily?
Enter your value in the converter at the top of this page — the gigajoules result updates live as you type. You can also multiply by 0.000004184 directly.