Kilocalories to Joules conversion table
| Kilocalories | Joules |
|---|---|
| 1 kcal | 4,184 J |
| 2 kcal | 8,368 J |
| 5 kcal | 20,920 J |
| 10 kcal | 41,840 J |
| 25 kcal | 104,600 J |
| 50 kcal | 209,200 J |
| 100 kcal | 418,400 J |
How to convert kilocalories to joules
Joules = Kilocalories × 4,184. For example, 2 kcal = 8,368 J. Type a value in either box above: the other one updates instantly, both ways.
What is a kilocalorie?
A kilocalorie (kcal) is 1,000 calories or 4.184 kJ; it is the Calorie printed on food labels.
What is a joule?
The joule (J) is the SI unit of energy, the work done by a force of one newton over one meter.
How do I convert kilocalories to joules?
Use the formula Joules = Kilocalories × 4,184. Type a value in the kilocalories box and the result appears instantly.
How many joules are in 1 kilocalorie?
1 kcal = 4,184 J.
Is this converter free and private?
Yes. It is free, needs no sign-up, and the calculation runs in your browser: nothing is sent to a server.
Is a food Calorie the same as a calorie?
No. The Calorie on food labels is a kilocalorie (kcal), 1000 small calories or 4.184 kJ. This page uses the thermochemical calorie, 4.184 J.