Joules to Kilocalories converter
J to kcal — 1 kcal = 4,184 J
—
Convert Joules to all units
kJ Kilojoules—
cal Calories—
kcal Kilocalories—
Wh Watt Hours—
kWh Kilowatt Hours—
BTU Btu—
eV Electronvolts—
Advertisement
Conversion Formula
Joules to Kilocalories: 1 kcal = 4,184 J
Example: To convert 500 kcal to joules: 500 × 4,184 = 2,092,000 J
Quick Reference: Joules to Kilocalories
| Joules | Kilocalories |
|---|---|
| 1 J | 0.000239 kcal |
| 5 J | 0.001195 kcal |
| 10 J | 0.00239 kcal |
| 25 J | 0.005975 kcal |
| 50 J | 0.01195 kcal |
| 100 J | 0.023901 kcal |
| 500 J | 0.119503 kcal |
| 1,000 J | 0.239006 kcal |
Frequently Asked Questions
How do I convert Joules to Kilocalories?
Multiply your joules value by the conversion factor. To convert 500 kcal to joules: 500 × 4,184 = 2,092,000 J. You can also use the converter above for instant results.
What is J in kcal?
1 J equals 0.000239 kcal. This is based on the standard conversion factor: 1 kcal = 4,184 J.
Is this converter accurate?
Yes. ConvertFast uses precise conversion factors computed client-side in your browser. Results are accurate to 6 significant digits, which covers all practical use cases.