kWh to Joules Converter
Convert energy in kilowatt-hours (kWh) to Joules (J). One kilowatt-hour equals exactly 3,600,000 Joules (or 3.6 Megajoules).
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Kilowatt-hour ↔ Joule
Calculation Formula
1 kWh × 3,600,000 = 3,600,000 J
Worked Example
Convert 2 kWh to Joules:
2 kWh × 3,600,000 = 7,200,000 J
Kilowatt-hour to Joule Table
| kWh | J |
|---|---|
| 0.1 kWh | 360,000 J |
| 0.5 kWh | 1,800,000 J |
| 1 kWh | 3,600,000 J |
| 2 kWh | 7,200,000 J |
| 5 kWh | 18,000,000 J |
| 10 kWh | 36,000,000 J |
Understanding the Conversion
The Joule is the standard SI unit of energy. A Watt is defined as one Joule per second. Therefore, a kilowatt-hour (1,000 watts for 3,600 seconds) equals 3,600,000 Joules.
Calculate your actual electricity costs.
Now that you have your units converted, see exactly how much this device costs to run on your utility bill.