100 cal to j

Updated July 2026

100 cal equals 418.4 J

100 calories = 418.4 J. That is how many joules there are in 100 calories. Enter any value in the free energy converter to convert calories to joules (and every other unit) instantly — it runs privately in your browser.

Formula: Multiply by 4.184 — 1 calorie = 4.184 joules. So 100 × 4.184 = 418.4 J.

cal to j conversion table

calorie (cal)joules (J)
85 cal355.64 J
90 cal376.56 J
95 cal397.48 J
100 cal418.4 J
105 cal439.32 J
110 cal460.24 J
115 cal481.16 J

Frequently asked questions

How many joules is 100 calories?
100 calories is 418.4 joules. Multiply cal by 4.184 to get j.
What is 100 cal to j?
100 calories = 418.4 J.
How do you convert cal to j?
Multiply by 4.184 — 1 calorie = 4.184 joules. So 100 × 4.184 = 418.4 J.

Other cal to j conversions

Convert 100 cal to other units