Joules to Kilocalories
Convert joules (J) to kilocalories (kcal). Type in either box; the other updates as you go.
How to convert joules to kilocalories
To convert joules to kilocalories, divide the number of joules by 4,184.
Example
Convert 50 joules to kilocalories:
Joule to kilocalorie conversion chart
| Joules (J) | Kilocalories (kcal) |
|---|---|
| 10 J | 0.002390057 kcal |
| 20 J | 0.004780115 kcal |
| 30 J | 0.007170172 kcal |
| 40 J | 0.009560229 kcal |
| 50 J | 0.01195029 kcal |
| 60 J | 0.01434034 kcal |
| 70 J | 0.0167304 kcal |
| 80 J | 0.01912046 kcal |
| 90 J | 0.02151052 kcal |
| 100 J | 0.02390057 kcal |
| 120 J | 0.02868069 kcal |
| 150 J | 0.03585086 kcal |
| 200 J | 0.04780115 kcal |
| 250 J | 0.05975143 kcal |
| 300 J | 0.07170172 kcal |
| 400 J | 0.09560229 kcal |
| 500 J | 0.1195029 kcal |
| 600 J | 0.1434034 kcal |
| 700 J | 0.167304 kcal |
| 750 J | 0.1792543 kcal |
| 800 J | 0.1912046 kcal |
| 900 J | 0.2151052 kcal |
| 1,000 J | 0.2390057 kcal |
| 1,500 J | 0.3585086 kcal |
| 2,000 J | 0.4780115 kcal |
| 2,500 J | 0.5975143 kcal |
| 5,000 J | 1.195029 kcal |
| 10,000 J | 2.390057 kcal |
Going the other way? See the kilocalories to joules chart.
About the units
Joule (J)
The joule is the SI unit of energy: the work done by a force of one newton over one meter.
Kilocalorie (kcal)
A kilocalorie is 1,000 small calories. The "Calories" on US food labels are kilocalories.
Frequently asked questions
How many kilocalories are in a joule?
There are 0.0002390057361 kilocalories in a joule.
How many joules are in a kilocalorie?
There are 4,184 joules in a kilocalorie.
How do you convert joules to kilocalories?
To convert joules to kilocalories, divide the number of joules by 4,184.
What is 50 joules in kilocalories?
50 joules equals 0.0119503 kilocalories.
Convert between joules, calories, kilocalories, kilowatt-hours and BTU. Open the energy converter to see a value in every unit at once.