Convert Joule to Kilocalorie
1 joule = 0.00023900574 kilocalories (J to kcal).
The joule (J) and the kilocalorie (kcal) both measure energie. A joule is smaller than a kilocalorie — it takes 4,184 of them to make a single kilocalorie. Going the other way, one kilocalorie is 4,184 joules. The converter above does this in real time, and the reference chart lists the values that come up most often.
1 J = 0.00023900574 kcal
How to convert Joules to Kilocalories
Multiply the joule value by 0.000239006 to get kilocalories.
Example: 10 joules = 0.00239006 kilocalories.
Joule to Kilocalorie Conversion Chart
| Joules | Kilocalories |
|---|---|
| 1 J | 0.00023900574 kcal |
| 2 J | 0.00047801147 kcal |
| 3 J | 0.00071701721 kcal |
| 5 J | 0.0011950287 kcal |
| 10 J | 0.0023900574 kcal |
| 20 J | 0.0047801147 kcal |
| 25 J | 0.0059751434 kcal |
| 50 J | 0.011950287 kcal |
| 100 J | 0.023900574 kcal |
| 1000 J | 0.23900574 kcal |
Frequently Asked Questions
- How many kilocalories are in a joule?
- There are 0.00023900574 kilocalories in 1 joule.
- How do you convert joules to kilocalories?
- Multiply the joule value by 0.000239006 to get kilocalories.
- What is 5 joules in kilocalories?
- 5 joules equals 0.0011950287 kilocalories.
- What is 100 joules in kilocalories?
- 100 joules equals 0.023900574 kilocalories.
- What is 1 kilocalorie in joules?
- 1 kilocalorie equals 4,184 joules.
- Is this joule to kilocalorie converter free?
- Yes. The converter is free, needs no sign-up, and runs entirely in your browser — the values you enter never leave your device.