Wh to kWh – convert watt-hours to kilowatt-hours
Convert watt-hours to kilowatt-hours (Wh to kWh) so that small energy readings and battery capacities line up with electricity bills and smart meters. This page opens the main energy converter with Wh → kWh pre-selected.
Quick reference: Wh to kWh
1 Wh = 0.001 kWh. Divide Wh by 1,000 to get kWh:
| Watt-hours (Wh) | Kilowatt-hours (kWh) |
|---|---|
| 100 Wh | 0.1 kWh |
| 250 Wh | 0.25 kWh |
| 500 Wh | 0.5 kWh |
| 1,000 Wh | 1 kWh |
| 2,000 Wh | 2 kWh |
Why convert Wh to kWh?
- Summing up lots of small Wh readings into kWh for a bill or report.
- Comparing battery packs (marked in Wh) with daily home usage (in kWh).
- Checking whether your solar system can cover typical kWh consumption.
- Translating UPS or power-bank capacity into familiar kWh numbers.
Everyday examples
A 500 Wh power bank stores about 0.5 kWh of energy. If a device draws 100 W continuously, it could run for around 5 hours from that bank (ignoring losses).
Wh to kWh FAQ
- Is 750 Wh a lot of energy?
- 750 Wh is 0.75 kWh – roughly enough to run a 750 W appliance for an hour.
- Why do smart plugs show Wh or kWh?
- Wh is convenient for short tests, while kWh matches energy tariffs on your utility bill.
- Can I go from Wh to joules?
- Yes – first convert Wh → kWh here, then use kWh ↔ J on the homepage or the kWh to joules page.