Convert Watt-hours to Kilowatt-hours
One watt-hour equals 0.001 kilowatt-hours. Type any value to convert watt-hours to kilowatt-hours instantly — with a full reference table below.
Convert Watt-hours to Kilowatt-hours
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Conversion formula
To convert watt-hours to kilowatt-hours, multiply by 0.001. One watt-hour equals 0.001 kWh, and one kilowatt-hour equals 1,000 Wh.
Watt-hours to Kilowatt-hours table
About converting Watt-hours to Kilowatt-hours
Watt-hours (Wh) and Kilowatt-hours (kWh) are both units of energy. The exact factor is 1 Wh = 0.001 kWh, so multiply by 0.001 to go from watt-hours to kilowatt-hours (or divide to go back).
The conversion is exact and runs entirely in your browser. Need the reverse? Use the Kilowatt-hours to Watt-hours converter, or the full unit converter for every unit at once.
Frequently asked questions
How many kilowatt-hours are in one watt-hour?
One watt-hour equals 0.001 kilowatt-hours.
How do I convert watt-hours to kilowatt-hours?
Multiply the number of watt-hours by 0.001. For example, 10 watt-hours = 0.01 kilowatt-hours.
What is 5 watt-hours in kilowatt-hours?
5 watt-hours is 0.005 kilowatt-hours.