W⋅hr → kWh converter

Convert watt-hour to kilowatt-hours (Energy)

1 W⋅hr = 0.001 kWh · 1 kWh = 1000 W⋅hr

Common values: 10 W⋅hr 50 W⋅hr 100 W⋅hr 500 W⋅hr 1000 W⋅hr

500 W⋅hr = 0.5 kWh

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Watt-hour to kilowatt-hours Conversion

1 watt-hour (W⋅hr) is equal to 0.001 kilowatt-hours (kWh).

1 W⋅hr = 0.001 kWh

or

1 kWh = 1000 W⋅hr

Formula

To convert a energy from watt-hour (W⋅hr) to kilowatt-hours (kWh), divide the energy in watt-hour by 1000

e(kWh) = e(W⋅hr) / 1000

Examples:

Convert 500 watt-hour to kilowatt-hours:

e(kWh) = 500W⋅hr / 1000 = 0.5 kWh

Conversion table

Watt-hour (W⋅hr) Kilowatt-hours (kWh)
1 W⋅hr 0.001 kWh
2 W⋅hr 0.002 kWh
3 W⋅hr 0.003 kWh
5 W⋅hr 0.005 kWh
10 W⋅hr 0.01 kWh
20 W⋅hr 0.02 kWh
25 W⋅hr 0.025 kWh
50 W⋅hr 0.05 kWh
100 W⋅hr 0.1 kWh
250 W⋅hr 0.25 kWh
500 W⋅hr 0.5 kWh
1000 W⋅hr 1 kWh
Kilowatt-hours (kWh) Watt-hour (W⋅hr)
1 kWh 1000 W⋅hr
2 kWh 2000 W⋅hr
3 kWh 3000 W⋅hr
5 kWh 5000 W⋅hr
10 kWh 10000 W⋅hr
20 kWh 20000 W⋅hr
25 kWh 25000 W⋅hr
50 kWh 50000 W⋅hr
100 kWh 100000 W⋅hr
250 kWh 250000 W⋅hr
500 kWh 500000 W⋅hr
1000 kWh 1000000 W⋅hr

Frequently asked questions

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

Divide the value in watt-hour by 1000 to get the result in kilowatt-hours. For example, 5 W⋅hr ÷ 1000 = 0.005 kWh.

How many kilowatt-hours are in 1 watt-hour?

1 watt-hour (W⋅hr) is equal to 0.001 kilowatt-hours (kWh).

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

Use the inverse operation: multiply the value in kilowatt-hours by 1000 to get the result in watt-hour.

How accurate is the watt-hour to kilowatt-hours conversion?

The converter multiplies by the conversion factor 1000 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.

Sources

Conversion factors are based on internationally recognised standards:

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