How many Watt hour are in one Kilowatt hour?

One Kilowatt hour equals 1000 Wh. Enter any amount above to get an exact figure for your own value.

Is this converter accurate?

Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.

Do you upload the numbers I enter?

No. The Kilowatt hour to Watt hour conversion runs entirely in your browser tab, and nothing you type is sent to a server.

Does it work on my phone?

Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.

All converters

Kilowatt hour to Watt hour

Convert Kilowatt hour to Watt hour and get the exact value instantly.

Kilowatt hour (kWh)Watt hour (Wh)1000

1 kWh = 1000 Wh

Related conversions

Kilowatt hour → Joule Kilowatt hour → Kilojoule Kilowatt hour → Megajoule Kilowatt hour → Gigajoule Kilowatt hour → Calorie Kilowatt hour → Kilocalorie Kilowatt hour → Electronvolt Kilowatt hour → British thermal unit

About this conversion

To convert Kilowatt hour to Watt hour, multiply the number of Kilowatt hour by 1000.

Energy shows up as joules, calories, kilowatt-hours or BTU depending on the field (nutrition, an electricity bill, heating or physics), so a conversion makes the numbers comparable.

Conversion table

Kilowatt hour (kWh)	Watt hour (Wh)
1 kWh	1000 Wh
2 kWh	2000 Wh
5 kWh	5000 Wh
10 kWh	10000 Wh
100 kWh	100000 Wh

How to use this converter

Enter your Kilowatt hour value
Type any number into the Kilowatt hour field. It starts at 1 so you can read the rate straight away.
Read the Watt hour result
The amount in Watt hour updates as you type, so there is no button to press and nothing to wait for.
Swap or keep exploring
Use the swap control to flip the direction, or pick a related conversion from the list below.

Frequently asked

How many Watt hour are in one Kilowatt hour?: One Kilowatt hour equals 1000 Wh. Enter any amount above to get an exact figure for your own value.
Is this converter accurate?: Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
Do you upload the numbers I enter?: No. The Kilowatt hour to Watt hour conversion runs entirely in your browser tab, and nothing you type is sent to a server.
Does it work on my phone?: Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.

SERBABISA · CAN DO ANYTHING