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Watt-hours to Kilowatt-hours

Convert watt-hours (Wh) to kilowatt-hours (kWh). Type in either box; the other updates as you go.

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1 Wh = 0.001 kWh

1 watt-hour equals0.001 kWh
1 kilowatt-hour equals1,000 Wh
FormulakWh = Wh × 0.001

How to convert watt-hours to kilowatt-hours

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

kWh = Wh × 0.001

Example

Convert 5 watt-hours to kilowatt-hours:

5 Wh × 0.001 = 0.005 kWh

Watt-hour to kilowatt-hour conversion chart

Watt-hours (Wh)Kilowatt-hours (kWh)
1 Wh0.001 kWh
2 Wh0.002 kWh
3 Wh0.003 kWh
4 Wh0.004 kWh
5 Wh0.005 kWh
6 Wh0.006 kWh
7 Wh0.007 kWh
8 Wh0.008 kWh
9 Wh0.009 kWh
10 Wh0.01 kWh
12 Wh0.012 kWh
15 Wh0.015 kWh
20 Wh0.02 kWh
25 Wh0.025 kWh
30 Wh0.03 kWh
40 Wh0.04 kWh
50 Wh0.05 kWh
60 Wh0.06 kWh
70 Wh0.07 kWh
75 Wh0.075 kWh
80 Wh0.08 kWh
90 Wh0.09 kWh
100 Wh0.1 kWh
150 Wh0.15 kWh
200 Wh0.2 kWh
250 Wh0.25 kWh
500 Wh0.5 kWh
1,000 Wh1 kWh

Going the other way? See the kilowatt-hours to watt-hours chart.

About the units

Watt-hour (Wh)

A watt-hour is the energy of one watt for one hour, 3,600 joules. Batteries are rated in watt-hours.

Kilowatt-hour (kWh)

A kilowatt-hour is 1,000 watt-hours, or 3.6 million joules. Electricity bills charge by the kWh.

Frequently asked questions

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

There are 0.001 kilowatt-hours in a watt-hour.

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

There are 1,000 watt-hours in a kilowatt-hour.

How do you convert watt-hours to kilowatt-hours?

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

What is 5 watt-hours in kilowatt-hours?

5 watt-hours equals 0.005 kilowatt-hours.

Convert between joules, calories, kilocalories, kilowatt-hours and BTU. Open the energy converter to see a value in every unit at once.