Kilocalories to Joules Converter

1 kilocalorie = 4,184 joules

1 joule = 0.0002390057 kilocalories

100 kcal = 418,400 J

How to convert kilocalories to joules

To convert kilocalories to joules, multiply the value in kilocalories by 4,184.

J = kcal × 4,184

Example: 100 kcal × 4,184 = 418,400 J

Kilocalories to Joules conversion table

Kilocalorie (kcal)Joule (J)
1 kcal4,184 J
2 kcal8,368 J
3 kcal12,552 J
4 kcal16,736 J
5 kcal20,920 J
6 kcal25,104 J
7 kcal29,288 J
8 kcal33,472 J
9 kcal37,656 J
10 kcal41,840 J
12 kcal50,208 J
15 kcal62,760 J
20 kcal83,680 J
25 kcal104,600 J
30 kcal125,520 J
40 kcal167,360 J
50 kcal209,200 J
60 kcal251,040 J
70 kcal292,880 J
75 kcal313,800 J
80 kcal334,720 J
90 kcal376,560 J
100 kcal418,400 J
150 kcal627,600 J
200 kcal836,800 J
250 kcal1,046,000 J
500 kcal2,092,000 J
1,000 kcal4,184,000 J

About these units

Kilocalorie (kcal)

The kilocalorie (kcal) is a unit of energy. 1 kilocalorie equals 4,184 joules. This value is exact by definition.

Joule (J)

The joule (J) is a unit of energy in the International System of Units (SI). It is the reference unit for all energy conversions on this site.

Frequently asked questions

What is 1 kilocalorie in joules?

1 kilocalorie equals 4,184 joules.

How do I convert kilocalories to joules?

To convert kilocalories to joules, multiply the value in kilocalories by 4,184. Example: 100 kcal × 4,184 = 418,400 J

What is 100 kcal in joules?

100 kilocalories equals 418,400 joules.