20 cal to j

Updated July 2026

20 cal equals 83.68 J

20 calories = 83.68 J. That is how many joules there are in 20 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 20 × 4.184 = 83.68 J.

cal to j conversion table

calorie (cal)joules (J)
5 cal20.92 J
10 cal41.84 J
15 cal62.76 J
20 cal83.68 J
25 cal104.6 J
30 cal125.52 J
35 cal146.44 J

Frequently asked questions

How many joules is 20 calories?
20 calories is 83.68 joules. Multiply cal by 4.184 to get j.
What is 20 cal to j?
20 calories = 83.68 J.
How do you convert cal to j?
Multiply by 4.184 — 1 calorie = 4.184 joules. So 20 × 4.184 = 83.68 J.

Other cal to j conversions

Convert 20 cal to other units