Convert Kilowatt-hour to Joule
1 kilowatt-hour equals 3,600,000 joules. Enter a value below to convert instantly.
Formula
Multiply the number of kilowatt-hours by 3600000 to get joules.
Step by step
- Start with 1 kWh.
- Multiply by the conversion factor 3600000.
- 1 × 3600000 = 3,600,000 J.
Kilowatt-hour to Joule conversion table
| Kilowatt-hours (kWh) | Joules (J) |
|---|---|
| 1 | 3,600,000 |
| 2 | 7,200,000 |
| 5 | 18,000,000 |
| 10 | 36,000,000 |
| 20 | 72,000,000 |
| 50 | 180,000,000 |
| 100 | 360,000,000 |
| 500 | 1,800,000,000 |
| 1,000 | 3,600,000,000 |
About the kilowatt-hour
The kilowatt-hour (kWh) is a Metric unit of energy.
About the joule
The joule (J) is a SI unit of energy.
Where this conversion is used
Converting kilowatt-hours to joules comes up when nutrition labels, electricity bills, heating, and physics.
Need the other direction? Convert joule to kilowatt-hour →
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Frequently asked questions
How many joules are in a kilowatt-hour?
One kilowatt-hour equals 3,600,000 joules.
How do you convert kilowatt-hours to joules?
Multiply the number of kilowatt-hours by 3600000 to get joules.
What is 1 joule in kilowatt-hours?
One joule equals 2.7777778e-7 kilowatt-hours.
When would I convert kilowatt-hours to joules?
This conversion is common when nutrition labels, electricity bills, heating, and physics.
Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.