Calories (kcal) to Kilojoules

1 kcal = 4.184 kJ

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How to convert calories (kcal) to kilojoules

One calorie (kcal) equals 4.184 kilojoules. To convert calories (kcal) to kilojoules, multiply by 4.184.

kJ = kcal × 4.184

Or divide by 0.2390057361. Example: 5 kcal × 4.184 = 20.92 kJ.

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Related conversions

Calories (kcal) to kilojoules chart

Calories (kcal)Kilojoules
1 kcal4.184 kJ
2 kcal8.368 kJ
3 kcal12.552 kJ
4 kcal16.736 kJ
5 kcal20.92 kJ
6 kcal25.104 kJ
7 kcal29.288 kJ
8 kcal33.472 kJ
9 kcal37.656 kJ
10 kcal41.84 kJ
12 kcal50.208 kJ
15 kcal62.76 kJ
20 kcal83.68 kJ
25 kcal104.6 kJ
30 kcal125.52 kJ
40 kcal167.36 kJ
50 kcal209.2 kJ
75 kcal313.8 kJ
100 kcal418.4 kJ
250 kcal1,046 kJ
500 kcal2,092 kJ
1,000 kcal4,184 kJ