NiftyRecipe Online energy conversion
BTU/kWh 0.000293 kcal/MJ 0.004184 MJ/cal 239005.736138 MJ/kcal 239.005736 kJ/kWh 0.000278 cal/kWh 0.000001
cal / kJ

2500 calories in kilojoule

10.46 kilojoule

1 cal = 0.004184 kJ · factor

2500 calories equals 10.46 kilojoule-handy when reading a food label or logging a meal. Factor: 1 calorie = 0.004184 kilojoule.

Enter a value and click Calculate - opens the page with the new result

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
2500 calories in kilojoule

2500 calories is 10.46 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 2500 calories always maps to 10.46 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.