Kilocalorie to Joule

1 kcal = 4,184 J

One kilocalorie equals 4,184 joules, and one joule equals 0.000239 kilocalories.

Kilocalorie to Joule formula

J = kcal × 4184

To convert kilocalories to joules, multiply the value by 4184. One kilocalorie equals 4,184 joules.

Step-by-step examples

Convert 1 kilocalories to joules

  1. 1Start with the value in kilocalories: 1 kcal.
  2. 2Multiply by the conversion factor 4184.
  3. 31 × 4184 = 4,184 J.

Result: 1 kcal = 4,184 J

Convert 10 kilocalories to joules

  1. 1Start with the value in kilocalories: 10 kcal.
  2. 2Multiply by the conversion factor 4184.
  3. 310 × 4184 = 41,840 J.

Result: 10 kcal = 41,840 J

Convert 100 kilocalories to joules

  1. 1Start with the value in kilocalories: 100 kcal.
  2. 2Multiply by the conversion factor 4184.
  3. 3100 × 4184 = 418,400 J.

Result: 100 kcal = 418,400 J

Kilocalorie to Joule conversion table

Kilocalorie (kcal)Joule (J)
0.0141.84
0.1418.4
0.52,092
14,184
28,368
312,552
416,736
520,920
1041,840
2083,680
25104,600
50209,200
100418,400
2501,046,000
5002,092,000
10004,184,000

Kilocalorie to Joule chart

01.05e+42.09e+43.14e+44.18e+40 kcal10 kcal

kcal (horizontal) vs J (vertical)

Batch convert — paste multiple values
Reverse: Joule to Kilocalorie

Frequently asked questions

How many joules are in a kilocalorie?

There are 4,184 joules in one kilocalorie (1 kcal = 4,184 J).

How do you convert kilocalories to joules?

To convert kilocalories to joules, multiply the value by 4184. One kilocalorie equals 4,184 joules.

What is 10 kilocalories in joules?

10 kilocalories equals 41,840 joules.

How many kilocalories are in a joule?

One joule equals 0.000239 kilocalories (1 J = 0.000239 kcal).