kilocalorie to kilojoule (kcal → kJ)
Unit ConverterConverting kilocalorie (kcal) to kilojoule (kJ), 1kcal is about 4.184kJ.
What is it
kilocalorie is a energy unit, as is kilojoule. Their relation is fixed: 1kcal = 4.184kJ.
kJ = kcal × 4.184
How to use
- 1Enter the kilocalorie (kcal) value.
- 2See the kilojoule (kJ) result instantly.
- 3Switch units to convert again if needed.
Reference
| kcal | kJ |
|---|---|
| 1 | 4.184 |
| 5 | 20.92 |
| 10 | 41.84 |
| 50 | 209.2 |
| 100 | 418.4 |
| 1000 | 4,184 |
Sources & standards
FAQ
How many kJ is 1kcal?
1kcal is about 4.184kJ.
How do I convert kJ back to kcal?
Compute kcal = kJ ÷ 4.184.
How many kJ is 10kcal?
10kcal is about 41.84kJ.