How Many Kilojoules in a Calorie?
Quick Answer
1 Calorie = 0.004184 Kilojoules
1 cal = 0.004184 kJ
0.004184
Formula
kJ = cal × 0.004184
The calculator multiplies each cal value by 0.004184. For the reverse direction, divide kJ by 0.004184; equivalently, 1 kJ = 239.00574 cal.
Conversion Table
| Calories (cal) | Kilojoules (kJ) |
|---|---|
| 1 cal | 0.004184 kJ |
| 2 cal | 0.008368 kJ |
| 5 cal | 0.02092 kJ |
| 10 cal | 0.04184 kJ |
| 20 cal | 0.08368 kJ |
| 50 cal | 0.2092 kJ |
| 100 cal | 0.4184 kJ |
| 500 cal | 2.092 kJ |
| 1,000 cal | 4.184 kJ |
Worked Examples
Convert 5 cal to kJ:
5 cal × 0.004184 = 0.02092 kJ
Convert 10 cal to kJ:
10 cal × 0.004184 = 0.04184 kJ
Convert 50 cal to kJ:
50 cal × 0.004184 = 0.2092 kJ
FAQ
How many Kilojoules are in 1 Calorie?
There are 0.004184 Kilojoules in 1 Calorie. Formula: kJ = cal × 0.004184.
How to convert Calories to Kilojoules?
To convert Calories to Kilojoules, multiply the number of Calories by 0.004184. For example, 10 cal = 0.04184 kJ.
How many Kilojoules are in 100 Calories?
There are 0.4184 Kilojoules in 100 Calories. Calculation: 100 × 0.004184 = 0.4184.