Joule to Kilocalorie Converter
1 Joule = 0.000239 Kilocalorie
To convert joules to kilocalories, multiply by 0.000239.
Conversions between Joule (J) and Kilocalorie (kcal) are essential in the energy category. This tool provides a quick, free, and accurate way to convert joules to kilocalories for academic, professional, or personal calculations. Check the detailed conversion table and formula explanation below for more context.
Energy Converter
Tab Switch fieldsS SwapC Copy
Formula
kcal = J × 0.000239006
To convert Joule to Kilocalorie, use the formula displayed above.
Pinned Favorites
No pinned converters yet. Click the star button to pin common pairs.
Recent History
Conversions you copy will be recorded here.
Joule to Kilocalorie: Quick Reference Table
| Joule (J) | Kilocalorie (kcal) |
|---|---|
| 0.001 | 2.3901e-7 |
| 0.01 | 0.000002 |
| 0.1 | 0.000024 |
| 0.5 | 0.00012 |
| 1 | 0.000239 |
| 2 | 0.000478 |
| 5 | 0.001195 |
| 10 | 0.00239 |
| 25 | 0.005975 |
| 50 | 0.01195 |
| 100 | 0.023901 |
| 250 | 0.059751 |
| 500 | 0.119503 |
| 1000 | 0.239006 |
J to kcal Formula and Examples
Direct Formula
kcal = J × 0.000239006 Inverse Formula
J = kcal × 4184 Mental Math Shortcut
Divide the value by roughly 4184 to quickly estimate the converted result.
Common Joule to Kilocalorie Calculations
- 5 J = 0.001195 kcal
- 10 J = 0.00239 kcal
- 50 J = 0.01195 kcal
- 100 J = 0.023901 kcal
- 500 J = 0.119503 kcal
How to Convert Joule to Kilocalorie
How many kilocalories are in a joule?
1 Joule (J) is equal to 0.000239 Kilocalorie (kcal). To convert joules to kilocalories, multiply your value by 0.000239.
How do I convert joule to kilocalorie?
To convert Joule to Kilocalorie, use the formula: Kilocalorie = Joule × 0.000239. For example, 5 J = 0.001195 kcal.
What is the formula for J to kcal?
The formula is: kcal = J × 0.000239. This is based on the exact SI conversion factor. Use our calculator above to convert any value instantly.