NiftyRecipe Online energy conversion
kWh/BTU 3412.141633 kJ/kWh 0.000278 kcal/MJ 0.004184 kJ/MJ 0.001 MJ/kWh 0.277778 MJ/cal 239005.736138
kcal / kJ

5 kilocalories in kilojoule

20.92 kilojoule

1 kcal = 4.184 kJ · factor

5 kilocalories equals 20.92 kilojoule-handy when reading a food label or logging a meal. Factor: 1 kilocalorie = 4.184 kilojoule.

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Formula: kilocalorie to kilojoule

kJ = kcal × 4.184 (1 KCAL = 4.184 KJ)

Reference values: kilocalorie → kilojoule
kcal kJ
1 kcal 4.184 kJ
100 kcal 418.4 kJ
200 kcal 836.8 kJ
500 kcal 2092 kJ
1000 kcal 4184 kJ
2000 kcal 8368 kJ

All amounts for this pair

FAQ for kcal → kJ
5 kilocalories in kilojoule

5 kilocalories is 20.92 kilojoule using the standard food-energy factor on NiftyRecipe.

Package labels, recipe macros and fitness apps often jump between kilocalories and smaller calorie units (or kilojoules). Here the ratio stays constant: 1 kilocalorie = 4.184 kilojoule, so 5 kilocalories always maps to 20.92 kilojoule until you change the input. The reverse figure is 1 kilojoule ≈ 0.239006 kilocalorie.

Use the field above to try another portion size, scale a recipe, or match two apps that print different units. Everything on this page stays inside nutrition-style energy units-no length, temperature or other measures mixed in.