1 kilowatt-hour (kWh) = 1,000 watt-hours (Wh). To convert, multiply by 1,000: Wh = kWh × 1,000. For example, 5 kWh = 5,000 Wh.
Wh = kWh × 1,000
Kilowatt-hours to watt-hours table
| Kilowatt-hours (kWh) | Watt-hours (Wh) |
|---|---|
| 1 | 1,000 |
| 2 | 2,000 |
| 3 | 3,000 |
| 4 | 4,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 250 | 250,000 |
| 500 | 500,000 |
| 1,000 | 1,000,000 |
The two units
Kilowatt-hour (kWh). One kilowatt for one hour: the "unit" on an electricity bill.
Watt-hour (Wh). One watt for one hour: 3,600 joules. Battery capacities are given in Wh.
Because both units are defined in terms of the same base unit, the factor 1,000 is exact, not a rounded measurement.
Convert kilowatt-hours to other units
- Kilowatt-hours to joules — 1 kWh = 3,600,000 J
- Kilowatt-hours to kilojoules — 1 kWh = 3,600 kJ
- Kilowatt-hours to calories — 1 kWh = 860,420.6501 cal
- Kilowatt-hours to kilocalories — 1 kWh = 860.4206501 kcal
- Kilowatt-hours to British thermal units — 1 kWh = 3,412.141633 BTU
- Kilowatt-hours to electronvolts — 1 kWh = 2.246943e+25 eV
Convert other units to watt-hours
Questions people ask
- How many watt-hours are in a kilowatt-hour?
- 1,000, exactly.
- How do you convert kilowatt-hours to watt-hours?
- Wh = kWh × 1,000. It is the same as dividing by 0.001.
- How do you convert watt-hours back to kilowatt-hours?
- kWh = Wh ÷ 1,000. See watt-hours to kilowatt-hours.
Results use the legal definitions of each unit and are checked against the Pint unit library. Display rounds to 10 significant digits. All unit conversions · More tools
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