Energy
Kilojoule to Calories
Convert kilojoule to calories instantly.
About this conversion
Kilojoule (kJ) = 1.000 J. EU-madevaredeklarationer skal angive energiindhold i kJ. En voksen har et dagsbehov på ca. 8.400 kJ, en banan indeholder ca. 370 kJ, og et glas appelsinjuice ca. 450 kJ. A calorie (cal) is the energy needed to raise 1 g of water by 1°C. 1 cal = 4.184 J. 1 Kilojoule equals 239.01 calories. The converter above calculates the result instantly — you can also swap the units to convert in the other direction.
How to use
Enter a value in the kilojoule field and instantly see the result in calories. Click the swap button to reverse the conversion.
Manual calculation
1 kilojoule = 239.01 calories. Example: 10 kJ = 2,390.1 cal.
Frequently asked questions
How do you convert kilojoule to calories?
Multiply the number of kilojoule by 239.01 to get calories. Example: 10 kJ × 239.01 = 2,390.1 cal.
Are kilojoule bigger or smaller than calories?
Kilojoule is larger than Calories. One kilojoule equals 239.01 calories, so the result is a larger number when converting from kilojoule to calories.
What is 5 kilojoule in calories?
5 kJ equals 1,195 cal.
How many kilojoule are in 1 calorie?
1 cal equals 0.004184 kJ. This is the reverse conversion — useful if you have a value in calories and want it in kilojoule.
What is kilojoule?
Kilojoule (kJ) = 1.000 J. EU-madevaredeklarationer skal angive energiindhold i kJ. En voksen har et dagsbehov på ca. 8.400 kJ, en banan indeholder ca. 370 kJ, og et glas appelsinjuice ca. 450 kJ.
What is calorie used for?
A calorie (cal) is the energy needed to raise 1 g of water by 1°C. 1 cal = 4.184 J.