20 kilocalories to joules

Convert kilocalories to joules instantly with this free kilocalories to joules converter. Enter any value to get an accurate energy conversion, plus the formula, the conversion factor and a full reference table.

What is 20 kilocalories in joules?

20 kilocalories are equal to exactly 83,680 joules.

20 × 4,184 = 83,680 joules

Amount

Result83,680

20 kilocalories = 83,680 joules

Kilocalories to Joules formula

J = kcal × 4,184

The kilocalories to joules conversion factor is 4,184, which is exact by definition. 1 kilocalorie = 4,184 joules, and 1 joule = 0.000239005736 kilocalories.

Worked examples

2 kilocalories = 8,368 joules — 2 × 4,184 = 8,368 joules
6 kilocalories = 25,104 joules — 6 × 4,184 = 25,104 joules
10 kilocalories = 41,840 joules — 10 × 4,184 = 41,840 joules

Kilocalories to Joules conversion table

Every value below is calculated with the exact conversion factor and rounded for display.

kilocalories to joules conversion table
Kilocalories (kcal)	Joules (J)
1 kcal	4,184 J
2 kcal	8,368 J
3 kcal	12,552 J
4 kcal	16,736 J
5 kcal	20,920 J
6 kcal	25,104 J
7 kcal	29,288 J
8 kcal	33,472 J
9 kcal	37,656 J
10 kcal	41,840 J
12 kcal	50,208 J
15 kcal	62,760 J
20 kcal	83,680 J
25 kcal	104,600 J
30 kcal	125,520 J
50 kcal	209,200 J
75 kcal	313,800 J
100 kcal	418,400 J
500 kcal	2,092,000 J
1,000 kcal	4,184,000 J

Common kilocalories values

Frequently asked questions

What is 1 kilocalorie in joules?: 1 kilocalorie is equal to 4,184 joules.
How many kilocalories are in one joule?: There are 0.000239006 kilocalories in 1 joule.
How do you convert kilocalories to joules?: Multiply the number of kilocalories by 4,184 — or use the formula J = kcal × 4,184.
What is 6 kilocalories in joules?: 6 kilocalories is 25,104 joules. 6 × 4,184 = 25,104 joules.
Is the kilocalories to joules conversion exact?: Yes. The relationship is fixed by definition, so 4,184 is an exact conversion factor — only the displayed result is rounded.