Convert kWh to joules
1 kWh = 3,600,000 J
1 J = 0.000000277778 kWh
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How to convert kWh to joules
Multiply the value in kWh by 3,600,000 to get joules. As a formula: J = kWh × 3,600,000
Good to know
A kilowatt-hour is 1,000 watts for 3,600 seconds — exactly 3.6 × 10⁶ J. It is the commercial unit of electrical energy, the "unit" on an electricity bill: 534 kWh is 1.92 × 10⁹ J.
kWh to joules conversion table
| kWh (kWh) | joules (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 |
| 50 kWh | 180,000,000 J |
| 100 kWh | 360,000,000 J |
| 534 kWh | 1,922,400,000 J |
| 1,000 kWh | 3,600,000,000 J |
Related conversions
Need other units? The full Energy Unit Converter converts between every unit it supports, and the Unit Converters page lists the rest.
kWh to joules — questions
How many joules are in 1 kWh?
1 kWh = 3,600,000 J. Multiply the value in kWh by 3,600,000 to get joules.
How do I convert kWh to joules?
Multiply the value in kWh by 3,600,000. For example, 10 kWh × 3,600,000 = 36,000,000 J.
What is 10 kWh in joules?
10 kWh = 36,000,000 J.
What is 100 kWh in joules?
100 kWh = 360,000,000 J.
What is 534 kWh in joules?
534 kWh = 1,922,400,000 J.