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Kilocalorie per kilogram to kilojoule per kilogram Conversion
1 kilocalorie per kilogram (kcal/kg) is equal to 4.184 kilojoule per kilogram (kJ/kg).
1 kcal/kg = 4.184 kJ/kg
or
1 kJ/kg = 0.2390057361 kcal/kg
Formula
To convert a specific energy from kilocalorie per kilogram (kcal/kg) to kilojoule per kilogram (kJ/kg), multiply the specific energy in kilocalorie per kilogram by 4.184
s(kJ/kg) = s(kcal/kg) × 4.184
Examples:
Convert 1000 kilocalorie per kilogram to kilojoule per kilogram:
s(kJ/kg) = 1000kcal/kg × 4.184 = 4184 kJ/kg
Conversion table
| Kilocalorie per kilogram (kcal/kg) | Kilojoule per kilogram (kJ/kg) |
|---|---|
| 1 kcal/kg | 4.184 kJ/kg |
| 2 kcal/kg | 8.368 kJ/kg |
| 3 kcal/kg | 12.552 kJ/kg |
| 5 kcal/kg | 20.92 kJ/kg |
| 10 kcal/kg | 41.84 kJ/kg |
| 20 kcal/kg | 83.68 kJ/kg |
| 25 kcal/kg | 104.6 kJ/kg |
| 50 kcal/kg | 209.2 kJ/kg |
| 100 kcal/kg | 418.4 kJ/kg |
| 250 kcal/kg | 1046 kJ/kg |
| 500 kcal/kg | 2092 kJ/kg |
| 1000 kcal/kg | 4184 kJ/kg |
| Kilojoule per kilogram (kJ/kg) | Kilocalorie per kilogram (kcal/kg) |
|---|---|
| 1 kJ/kg | 0.239005736 kcal/kg |
| 2 kJ/kg | 0.478011472 kcal/kg |
| 3 kJ/kg | 0.717017208 kcal/kg |
| 5 kJ/kg | 1.195028681 kcal/kg |
| 10 kJ/kg | 2.390057361 kcal/kg |
| 20 kJ/kg | 4.780114723 kcal/kg |
| 25 kJ/kg | 5.975143403 kcal/kg |
| 50 kJ/kg | 11.950286807 kcal/kg |
| 100 kJ/kg | 23.900573614 kcal/kg |
| 250 kJ/kg | 59.751434034 kcal/kg |
| 500 kJ/kg | 119.502868069 kcal/kg |
| 1000 kJ/kg | 239.005736138 kcal/kg |
Frequently asked questions
How do I convert kilocalorie per kilogram to kilojoule per kilogram?
Multiply the value in kilocalorie per kilogram by 4.184 to get the result in kilojoule per kilogram. For example, 5 kcal/kg × 4.184 = 20.92 kJ/kg.
How many kilojoule per kilogram are in 1 kilocalorie per kilogram?
1 kilocalorie per kilogram (kcal/kg) is equal to 4.184 kilojoule per kilogram (kJ/kg).
How do I convert kilojoule per kilogram back to kilocalorie per kilogram?
Use the inverse operation: divide the value in kilojoule per kilogram by 4.184 to get the result in kilocalorie per kilogram.
How accurate is the kilocalorie per kilogram to kilojoule per kilogram conversion?
The converter multiplies by the conversion factor 4.184 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.
Sources
Conversion factors are based on internationally recognised standards:
