Kilocalories to Kilojoules
Convert kilocalories to kilojoules with precision, learn about energy unit evolution and applications in nutrition, industry, and renewable energy
1 Kilocalories = 4.184 Kilojoules (standard conversion factor). · Updated 2026-05-29
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Kilocalories to Kilojoules Conversion Table
Common Kilocalories to Kilojoules conversion values
| Kilocalories | Kilojoules |
|---|---|
| 1 kcal | 4.184 kJ |
| 10 kcal | 41.840 kJ |
| 50 kcal | 209.200 kJ |
| 100 kcal | 418.400 kJ |
| 500 kcal | 2092.000 kJ |
| 1000 kcal | 4184.000 kJ |
The formula
Kilojoules = Kilocalories × 4.184
Example: 10 Kilocalories = 41.84 Kilojoules