Convert Joules to Kilocalories
Convert joules to kilocalories (J to kcal) instantly. Free, accurate joules to kilocalories calculator with conversion formula and chart.
1 J = 0.0002390057361 kcal
Conversion formula
1 joule = 0.0002390057361 kilocalories
Multiply a value in joules by 0.0002390057361 to get kilocalories; divide by the same number to convert back.
Joules to Kilocalories conversion table
| Joules (J) | Kilocalories (kcal) |
|---|---|
| 1 J | 0.000239006 kcal |
| 2 J | 0.000478011 kcal |
| 5 J | 0.00119503 kcal |
| 10 J | 0.00239006 kcal |
| 25 J | 0.00597514 kcal |
| 50 J | 0.0119503 kcal |
| 100 J | 0.0239006 kcal |
| 500 J | 0.119503 kcal |
| 1,000 J | 0.239006 kcal |
- For example, 12 joules is 0.00286807 kilocalories.
- A value of 75 joules converts to 0.0179254 kilocalories.
- Going the other way, 1 kilocalorie is 4,184 joules.
More energy conversions
About Joules to Kilocalories
Easily convert joules (J) to kilocalories (kcal) with this free, instant calculator. Enter a value in joules to see the equivalent in kilocalories right away — accurate and calculated in your browser.
How to use Joules to Kilocalories
- 1
Enter the number of joules you want to convert.
- 2
The equivalent value in kilocalories appears instantly.
- 3
Switch units anytime to convert in either direction.
How to convert Joules to Kilocalories
Enter any value in joules (J) and this calculator instantly shows the equivalent in kilocalories (kcal) using the exact internationally agreed conversion factor — no rounding tricks, no ads in the way, and it works offline once the page is loaded.
Use the swap button to convert in the other direction (kilocalories to joules), or switch to any other energy unit from the dropdown — the same page handles joules, kilojoules, calories, kilocalories, watt-hours, kilowatt-hours, btu, electronvolts.
Frequently Asked Questions
How do you convert joules to kilocalories?
Enter your value in joules and the converter instantly shows the result in kilocalories using the exact conversion factor.
Is the joules to kilocalories converter free?
Yes — it's completely free, instant and requires no sign-up.
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