NiftyRecipe Online energy conversion
BTU/kcal 0.252164 MJ/kWh 0.277778 cal/MJ 0.000004 MJ/kJ 1000 kcal/cal 1000 BTU/kJ 1.055056
cal / kJ

8009 calories in kilojoule

33.509656 kilojoule

1 cal = 0.004184 kJ · factor

8009 calories equals 33.509656 kilojoule-handy when reading a food label or logging a meal. Factor: 1 calorie = 0.004184 kilojoule.

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Formula: calorie to kilojoule

kJ = cal × 0.004184 (1 CAL = 0.004184 KJ)

Reference values: calorie → kilojoule
cal kJ
1 cal 0.004184 kJ
100 cal 0.4184 kJ
200 cal 0.8368 kJ
500 cal 2.092 kJ
1000 cal 4.184 kJ
2000 cal 8.368 kJ

All amounts for this pair

FAQ for cal → kJ
8009 calories in kilojoule

8009 calories is 33.509656 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 calorie = 0.004184 kilojoule, so 8009 calories always maps to 33.509656 kilojoule until you change the input. The reverse figure is 1 kilojoule ≈ 239.005736 calorie.

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.