kWh to watt-hours Converter
Convert kWh to watt-hours instantly: 1 kWh = 1000 watt-hours. Free converter with the formula, a reference table and FAQs — no sign-up.
| kWh | watt-hours |
|---|
How to convert kWh to watt-hours
Enter your value
Type the number of kwh you want to convert into the left box. The result in watt-hours appears instantly in the right box. You can also type into the right box to convert in the other direction.
Use the swap button
Click the ⇄ Swap button to reverse the conversion — watt-hours to kWh. Your current value carries across so you don't have to re-enter anything.
About kWh and watt-hours
kWh and watt-hours are common energy measurements.
Worked examples: kWh to watt-hours
Multiply the kWh value by 1,000 to get watt-hours. A few quick examples:
- 5 kWh × 1,000 = 5,000 watt-hours
- 25 kWh × 1,000 = 25,000 watt-hours
- 250 kWh × 1,000 = 250,000 watt-hours
Related conversions
| kWh | watt-hours |
|---|---|
| 0.001 | 1 |
| 0.01 | 10 |
| 0.1 | 100 |
| 0.25 | 250 |
| 0.5 | 500 |
| 1 | 1000 |
Frequently asked questions
How do I convert kWh to watt-hours?
To convert kWh to watt-hours, multiply by 1000. Or use the calculator above for instant results.
How many watt-hours are in 1 kWh?
1 kWh equals 1000 watt-hours.
Is the kWh to watt-hours converter free?
Yes, the kWh to watt-hours converter is completely free with no sign-up required, no downloads, and it works offline once the page has loaded.