Table Of Contents
Calories to kilojoules Conversion
1 calories (cal) is equal to 0.004184 kilojoules (kJ).
1 cal = 0.004184 kJ
or
1 kJ = 239.0057361 cal
Formula
To convert a energy from calories (cal) to kilojoules (kJ), divide the energy in calories by 239.0057361
e(kJ) = e(cal) / 239.0057361
Examples:
Convert 1 calories to kilojoules:
e(kJ) = 1cal / 239.0057361 = 0.004184 kJ
Conversion table
| Calories (cal) | Kilojoules (kJ) |
|---|---|
| 0.1 cal | 4.184e-4 kJ |
| 0.5 cal | 0.002092 kJ |
| 1 cal | 0.004184 kJ |
| 3 cal | 0.012552 kJ |
| 5 cal | 0.02092 kJ |
| 7 cal | 0.029288 kJ |
| 9 cal | 0.037656 kJ |
| 10 cal | 0.04184 kJ |
| 30 cal | 0.12552 kJ |
| 50 cal | 0.2092 kJ |
| 70 cal | 0.29288 kJ |
| 90 cal | 0.37656 kJ |
| 1000 cal | 4.184 kJ |
| 10000 cal | 41.84 kJ |
Frequently asked questions
How do I convert calories to kilojoules?
Divide the value in calories by 239.0057361 to get the result in kilojoules. For example, 5 cal ÷ 239.0057361 = 0.02092 kJ.
How many kilojoules are in 1 calories?
1 calories (cal) is equal to 0.004184 kilojoules (kJ).
How do I convert kilojoules back to calories?
Use the inverse operation: multiply the value in kilojoules by 239.0057361 to get the result in calories.
How accurate is the calories to kilojoules conversion?
The converter multiplies by the conversion factor 239.0057361 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.
