Kilowatt-hour to Joule
Free instant kilowatt-hour to joule converter. 1 kWh = 3600000 J.
Common Kilowatt-hour to Joule values
| Kilowatt-hour (kWh) | Joule (J) |
|---|---|
| 1 | 3600000 |
| 5 | 18000000 |
| 10 | 36000000 |
| 25 | 90000000 |
| 50 | 180000000 |
| 100 | 360000000 |
| 500 | 1800000000 |
| 1000 | 3600000000 |
How does Kilowatt-hour to Joule conversion work?
Type a value in the Kilowatt-hour (kWh) field and the equivalent in Joule (J) appears instantly to the right. The math uses the exact formula shown above — no rounding errors, no approximations beyond standard floating-point precision. Use the swap button to flip the units and see the inverse conversion.
Kilowatt-hour. The standard residential electricity unit. 1 kWh = running a 1,000-watt appliance for 1 hour.
Joule. The SI unit of energy. About the energy of a small apple falling from waist height.
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Conversion factors come from the official standard (NIST, BIPM, ISO definitions where applicable). Values are precise to standard floating-point limits.
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