Convert Kilowatt Hours to Joules
1 kilowatt hour = 3,600,000 joules. Type any value below to convert in either direction — the calculation happens in your browser.
Kilowatt Hours to Joules formula
Multiply the number of kilowatt hours by 3600000 to get joules.
joules = kilowatt hours × 3600000To go the other way: divide the number of joules by 3600000, or multiply by 2.777778e-07.
kilowatt hours = joules ÷ 3600000Kilowatt Hours to Joules conversion table
| Kilowatt Hours | Joules |
|---|---|
| 1 kWh | 3,600,000 J |
| 2 kWh | 7,200,000 J |
| 3 kWh | 10,800,000 J |
| 4 kWh | 14,400,000 J |
| 5 kWh | 18,000,000 J |
| 6 kWh | 21,600,000 J |
| 7 kWh | 25,200,000 J |
| 8 kWh | 28,800,000 J |
| 9 kWh | 32,400,000 J |
| 10 kWh | 36,000,000 J |
| 15 kWh | 54,000,000 J |
| 20 kWh | 72,000,000 J |
| 25 kWh | 90,000,000 J |
| 30 kWh | 108,000,000 J |
| 40 kWh | 144,000,000 J |
| 50 kWh | 180,000,000 J |
| 75 kWh | 270,000,000 J |
| 100 kWh | 360,000,000 J |
| 250 kWh | 900,000,000 J |
| 500 kWh | 1,800,000,000 J |
| 1,000 kWh | 3,600,000,000 J |
Joules to Kilowatt Hours conversion table
| Joules | Kilowatt Hours |
|---|---|
| 1 J | 2.777778e-07 kWh |
| 2 J | 5.555556e-07 kWh |
| 3 J | 8.333333e-07 kWh |
| 4 J | 0.000001111111 kWh |
| 5 J | 0.000001388889 kWh |
| 6 J | 0.000001666667 kWh |
| 7 J | 0.000001944444 kWh |
| 8 J | 0.000002222222 kWh |
| 9 J | 0.0000025 kWh |
| 10 J | 0.000002777778 kWh |
About the kilowatt hour
A kilowatt hour is the unit on your electricity bill — 3.6 million joules.
About the joule
The joule is the SI unit of energy — the work done by one newton acting over one metre.
Frequently asked questions
How many joules are in a kilowatt hour?
There are 3,600,000 joules in one kilowatt hour.
How many kilowatt hours are in a joule?
There are 2.777778e-07 kilowatt hours in one joule.
Is this conversion exact?
The ratio between the kilowatt hour and the joule is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 kilowatt hours in joules?
10 kilowatt hours equals 36,000,000 joules.
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