1 kcal in kilojoules
1 kilocalories =
4.184 kJ
Formula: kJ = kcal × 4.184
How to convert 1 kcal to kJ
- One kilocalorie is 4.184 kJ.
- Multiply: 1 × 4.184 = 4.184 kJ.
- Rounded to one decimal place, that’s 4.2 kJ.
- To check, convert back: 4.184 kJ is 1 kcal.
Convert another value
1 kcal in other units
- Joule4,184 J
- Kilojoule4.184 kJ
- Kilowatt-hour0.00116222 kWh
- British thermal unit3.9657 BTU
Nearby values
| Kilocalories | Kilojoules |
|---|---|
| 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 |
Questions
How many kilojoules is 1 kcal?
1 kcal is 4.184 kJ.
How do you convert 1 kcal to kJ?
Use the formula kJ = kcal × 4.184. For 1 kcal, that gives 4.184 kJ.