Kilowatt-hours to Watt-hours

Convert kilowatt-hours to watt-hours. Live result, plus a quick-reference table for common values.

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⇆ Convert Watt-hours to Kilowatt-hours instead

Frequently asked questions

How do I convert kilowatt-hours to watt-hours?

Multiply the kilowatt-hour value by 1000. So 1 kilowatt-hour = 1000 Wh, and the calculator above does it instantly for any number.

How many watt-hours are in a kilowatt-hour?

There are 1000 watt-hours in one kilowatt-hour. The reference table shows the conversion for common values.

Is this kWh to Wh converter free?

Yes, completely free, no sign-up, and it runs entirely in your browser, so nothing is uploaded.