Watt-hours to Kilowatt-hours Converter (Wh to kWh)

1 Wh = 0.001 kWh

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Formula

To convert watt-hours to kilowatt-hours, multiply the value by 0.001.

kWh = Wh × 0.001

Example calculation

Convert 5 Wh to kWh:

5 Wh × 0.001 = 0.005 kWh

Conversion table

watt-hours → kilowatt-hours
WhkWh
10.0010
20.0020
30.0030
40.0040
50.0050
60.0060
70.0070
80.0080
90.0090
100.0100
150.0150
200.0200
250.0250
300.0300
350.0350
400.0400
450.0450
500.0500
550.0550
600.0600
650.0650
700.0700
750.0750
800.0800
850.0850
900.0900
950.0950
1000.1000
2000.2000
5000.5000
10001.0000
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About the units

Watt-hour (Wh)
Used for battery capacity. Equal to 3,600 joules.
Kilowatt-hour (kWh)
The unit on household electricity bills. Equal to 3.6 megajoules.

Frequently asked questions

How do I convert watt-hours to kilowatt-hours?
To convert watt-hours to kilowatt-hours, multiply the value by 0.001.
How many kilowatt-hours are in 1 watt-hour?
1 watt-hour equals 0.001 kWh.
How many kilowatt-hours are in 10 watt-hours?
10 Wh equals 0.01 kWh.
How do I convert kilowatt-hours back to watt-hours?
Use the reverse converter: 1 kilowatt-hour equals 1000 Wh.
Is this converter accurate?
Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.

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