Energy Converter
Result
... Watt-hour = ... Kilowatt-hour
Result
... Watt-hour
=
... Kilowatt-hour
Find the units to convert
Watt-hour to Kilowatt-hour Converter
Use this page to convert watt-hour values into kilowatt-hour, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 Wh = 0.001 kWh
1 kWh = 1,000 Wh
Example: 120 Wh = 0.12 kWh
Watt-hour
A watt-hour is the energy used by one watt over one hour.
History: It became practical with electrical metering and battery capacity descriptions.
Current use: Watt-hours are used for batteries, devices, solar systems, and electricity use.
Also written as Wh, watt hour, watt hours, watt-hours.
Kilowatt-hour
A kilowatt-hour is the energy used by one kilowatt over one hour.
History: It became standard with electrical billing and metering.
Current use: Kilowatt-hours are used on utility bills and battery capacity discussions.
Also written as kWh, kilowatt hour, kilowatt hours, kilowatt-hours.
Watt-hour to Kilowatt-hour table
| Watt-hour [Wh] | Kilowatt-hour [kWh] |
|---|
| 0.01 Wh | 0.00001 kWh |
| 0.1 Wh | 0.0001 kWh |
| 1 Wh | 0.001 kWh |
| 2 Wh | 0.002 kWh |
| 5 Wh | 0.005 kWh |
| 10 Wh | 0.01 kWh |
| 20 Wh | 0.02 kWh |
| 50 Wh | 0.05 kWh |
| 100 Wh | 0.1 kWh |
Frequently asked questions
How many Kilowatt-hour (kWh) are in one Watt-hour (Wh)?
One Watt-hour equals 0.001 Kilowatt-hour.
How do you convert Watt-hour to Kilowatt-hour?
Multiply the Watt-hour value by 0.001 to get the result in Kilowatt-hour.
How do you convert Kilowatt-hour back to Watt-hour?
Multiply the Kilowatt-hour value by 1,000 to get back to Watt-hour.
What is 120 Watt-hour in Kilowatt-hour?
120 Watt-hour equals 0.12 Kilowatt-hour.
