Kilocalories to Kilojoules Converter
EngineeringJoules, calories, kilowatt-hours and more.
How to convert Kilocalories to Kilojoules
Multiply the kilocalories value by 4.184: 1 kcal = 4.184 kJ. Going the other way, 1 kJ = 0.239006 kcal, so divide by 4.184 or use the Kilojoules to Kilocalories converter.
About these units
Kilocalories (kcal)
A kilocalorie is 1,000 calories, or 4,184 joules. It is the Calorie written with a capital C on food labels and in diet guidance.
Kilojoules (kJ)
A kilojoule is 1,000 joules. Food energy is labelled in kilojoules in many countries; 1 kJ is about 0.239 kilocalories.
Kilocalories to Kilojoules conversion table
| Kilocalories (kcal) | Kilojoules (kJ) |
|---|---|
| 1 kcal | 4.184 kJ |
| 2 kcal | 8.368 kJ |
| 3 kcal | 12.552 kJ |
| 4 kcal | 16.736 kJ |
| 5 kcal | 20.92 kJ |
| 10 kcal | 41.84 kJ |
| 20 kcal | 83.68 kJ |
| 25 kcal | 104.6 kJ |
| 50 kcal | 209.2 kJ |
| 100 kcal | 418.4 kJ |
| 500 kcal | 2,092 kJ |
| 1,000 kcal | 4,184 kJ |
More kilocalories conversions
- Kilocalories to Calories1 kcal = 1,000 cal
- Kilocalories to Calories Nutritional1 kcal = 1 Cal
- Kilocalories to Thermochemical Calories1 kcal = 1,000 calth
- Kilocalories to Joules1 kcal = 4,184 J
- Kilocalories to Watt Hours1 kcal = 1.16222 Wh
- Kilocalories to British Thermal Units1 kcal = 3.96565 BTU
- Kilocalories to Ergs1 kcal = 4.184e+10 erg
See every unit on the Energy Converter.