Watt Hours to Joules converter
Wh to J — 1 kcal = 4,184 J
—
Convert Watt Hours to all units
J Joules—
kJ Kilojoules—
cal Calories—
kcal Kilocalories—
kWh Kilowatt Hours—
BTU Btu—
eV Electronvolts—
Advertisement
Conversion Formula
Watt Hours to Joules: 1 kcal = 4,184 J
Example: To convert 500 kcal to joules: 500 × 4,184 = 2,092,000 J
Quick Reference: Watt Hours to Joules
| Watt Hours | Joules |
|---|---|
| 1 Wh | 3,600 J |
| 5 Wh | 18,000 J |
| 10 Wh | 36,000 J |
| 25 Wh | 90,000 J |
| 50 Wh | 180,000 J |
| 100 Wh | 360,000 J |
| 500 Wh | 1,800,000 J |
| 1,000 Wh | 3,600,000 J |
Frequently Asked Questions
How do I convert Watt Hours to Joules?
Multiply your watt hours 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 Wh in J?
1 Wh equals 3,600 J. 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.