Wh to kWh Converter
Convert Wh to kWh: 1 Wh = 0.001 kWh. Formula, worked example, table of common values and unit definitions.
Result2.5 kWh
1 Wh = 0.001 kWh
2,500 Wh =
2.5 kWh
Formula
kWh = Wh × 0.001 Wh = kWh × 1,000
Worked example
- 2,500 Wh × 0.001 = 2.5 kWh
Common values
| Wh | kWh |
|---|---|
| 100 | 0.1 |
| 500 | 0.5 |
| 1,000 | 1 |
| 2,500 | 2.5 |
| 10,000 | 10 |
| 100,000 | 100 |
Unit definitions
| Unit | Equals | What it is |
|---|---|---|
| Wh | 3,600 J | Watt-hour: one watt for one hour. |
| kWh | 3,600,000 J | Kilowatt-hour. The billing unit for electricity: one kilowatt for one hour. |
Frequently asked questions
How many kWh are in one Wh?
1 Wh = 0.001 kWh.
What is the formula to convert Wh to kWh?
kWh = Wh × 0.001. To go back, Wh = kWh × 1,000.
Is converting Wh to kWh the same as converting Wh to kW?
No. Wh and kWh both measure energy, so the conversion is a fixed factor of 1,000. kW is power, so changing Wh to kW also needs the time in hours.
Related
Opposite direction: kWh to Wh
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