Joule to Kilocalorie (J to kcal)
Convert J to kcal — Energy converter
One joule equals 0.0002390057 kcal, so to convert joules to kilocalories you multiply the value by 0.0002390057. A joule is smaller than a kilocalorie — going the other way, 1 kcal = 4184 J. For example, 10 J = 0.0023900574 kcal and 50 J = 0.01195029 kcal.
0.0002390057Click to copy
1 J = 0.0002390057 kcal
Joule to Kilocalorie formula
1 Joule = 0.0002390057 kcal
Worked examples
- 25 J = 0.0059751434 kcal
- 100 J = 0.02390057 kcal
Joule to Kilocalorie conversion table
| Joule (J) | Kilocalorie (kcal) |
|---|---|
| 1 | 0.0002390057 |
| 2 | 0.0004780115 |
| 3 | 0.0007170172 |
| 5 | 0.0011950287 |
| 8 | 0.0019120459 |
| 10 | 0.0023900574 |
| 12 | 0.0028680688 |
| 15 | 0.003585086 |
| 20 | 0.0047801147 |
| 25 | 0.0059751434 |
| 50 | 0.01195029 |
| 100 | 0.02390057 |
| 250 | 0.05975143 |
| 500 | 0.11950287 |
| 1000 | 0.23900574 |
Frequently asked questions
How many kilocalories are in one joule?
One joule equals 0.0002390057 kilocalories (kcal).
How many joules are in one kilocalorie?
One kilocalorie equals 4184 joules (J).
How do you convert joules to kilocalories?
1 Joule = 0.0002390057 kcal. Use the calculator above for any value.
What is 5 J in kcal?
5 J = 0.0011950287 kcal.
What is 100 J in kcal?
100 J = 0.02390057 kcal.
What is 10 J in kcal?
10 J = 0.0023900574 kcal.
What is 20 J in kcal?
20 J = 0.0047801147 kcal.
Is a joule bigger than a kilocalorie?
No. A joule is smaller — one joule equals 0.0002390057 kilocalories, while one kilocalorie equals 4184 joules.