100 kcal to kJ

418.4 kJ

100 kilocalories equals 418.4 kilojoules.

How the conversion works

One kcal is 4.184 kJ, so multiply:

100 × 4.184 = 418.4 kJ

Going the other way, divide by 4.184 instead: 400 kJ to kcal — the closest published value to 418.4 kJ.

Convert a different energy

kcal =418.4 kJ

Open the full energy converter for every other unit.

Nearby values

kcalkJ
10 kcal41.84 kJ
20 kcal83.68 kJ
50 kcal209.2 kJ
150 kcal627.6 kJ
200 kcal836.8 kJ
250 kcal1046 kJ

Questions

What is 100 kcal in kJ?
100 kcal is 418.4 kJ (418.4 kJ to four decimal places).
How do you convert kcal to kJ?
Multiply by 4.184. One kcal is 4.184 kJ, so 100 × 4.184 = 418.4 kJ.
What does 100 kcal actually mean?
It sits between 10 and 250 kcal; the table on this page shows how those compare.