How Many Kilojoules in a Kilocalorie?
Quick Answer
1 Kilocalorie = 4.184 Kilojoules
1 kcal = 4.184 kJ
Formula
kJ = kcal × 4.184
Conversion Table
| Kilocalories (kcal) | Kilojoules (kJ) |
|---|---|
| 1 kcal | 4.184 kJ |
| 2 kcal | 8.368 kJ |
| 5 kcal | 20.92 kJ |
| 10 kcal | 41.84 kJ |
| 20 kcal | 83.68 kJ |
| 50 kcal | 209.2 kJ |
| 100 kcal | 418.4 kJ |
| 500 kcal | 2,092 kJ |
| 1,000 kcal | 4,184 kJ |
Worked Examples
Convert 5 kcal to kJ:
5 kcal × 4.184 = 20.92 kJ
Convert 10 kcal to kJ:
10 kcal × 4.184 = 41.84 kJ
Convert 50 kcal to kJ:
50 kcal × 4.184 = 209.2 kJ
FAQ
How many Kilojoules are in 1 Kilocalorie?
There are 4.184 Kilojoules in 1 Kilocalorie. Formula: kJ = kcal × 4.184.
How to convert Kilocalories to Kilojoules?
To convert Kilocalories to Kilojoules, multiply the number of Kilocalories by 4.184. For example, 10 kcal = 41.84 kJ.
How many Kilojoules are in 100 Kilocalories?
There are 418.4 Kilojoules in 100 Kilocalories. Calculation: 100 × 4.184 = 418.4.