Convert kilowatt hours to watt hours
1 kWh = 1,000 Wh. Change the amount below, or read the formula and the reference table further down.
1 kilowatt hour equals
watt hours
1 kWh = 1,000 Wh
The formula
Kilowatt hours and watt hours both measure energy from the same zero, so a single multiplier does the job.
Wh = kWh × 1,000
Going the other way? Convert watt hours to kilowatt hours.
Kilowatt hours to watt hours table
Common values, rounded for reading.
| Kilowatt hours (kWh) | Watt hours (Wh) |
|---|---|
| 1 | 1,000 |
| 2 | 2,000 |
| 3 | 3,000 |
| 4 | 4,000 |
| 5 | 5,000 |
| 6 | 6,000 |
| 7 | 7,000 |
| 8 | 8,000 |
| 9 | 9,000 |
| 10 | 10,000 |
| 15 | 15,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 30 | 30,000 |
| 40 | 40,000 |
| 50 | 50,000 |
| 75 | 75,000 |
| 100 | 100,000 |
| 250 | 250,000 |
| 500 | 500,000 |
| 1,000 | 1,000,000 |
Questions people ask
- How many watt hours are in a kilowatt hour?
- One kilowatt hour equals 1,000 watt hours.
- How do I convert kilowatt hours to watt hours by hand?
- Multiply the number of kilowatt hours by 1,000. For a rough check, 1,000 is close enough for most everyday use.
- What is 1 kilowatt hour in watt hours?
- 1 kilowatt hour is 1,000 watt hours.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.