Convert Kilowatt Hours to Watt Hours
1 kilowatt hour = 1,000 watt hours. Type any value below to convert in either direction — the calculation happens in your browser.
Kilowatt Hours to Watt Hours formula
Multiply the number of kilowatt hours by 1000 to get watt hours.
watt hours = kilowatt hours × 1000To go the other way: divide the number of watt hours by 1000, or multiply by 0.001.
kilowatt hours = watt hours ÷ 1000Kilowatt Hours to Watt Hours conversion table
| Kilowatt Hours | Watt Hours |
|---|---|
| 1 kWh | 1,000 Wh |
| 2 kWh | 2,000 Wh |
| 3 kWh | 3,000 Wh |
| 4 kWh | 4,000 Wh |
| 5 kWh | 5,000 Wh |
| 6 kWh | 6,000 Wh |
| 7 kWh | 7,000 Wh |
| 8 kWh | 8,000 Wh |
| 9 kWh | 9,000 Wh |
| 10 kWh | 10,000 Wh |
| 15 kWh | 15,000 Wh |
| 20 kWh | 20,000 Wh |
| 25 kWh | 25,000 Wh |
| 30 kWh | 30,000 Wh |
| 40 kWh | 40,000 Wh |
| 50 kWh | 50,000 Wh |
| 75 kWh | 75,000 Wh |
| 100 kWh | 100,000 Wh |
| 250 kWh | 250,000 Wh |
| 500 kWh | 500,000 Wh |
| 1,000 kWh | 1,000,000 Wh |
Watt Hours to Kilowatt Hours conversion table
| Watt Hours | Kilowatt Hours |
|---|---|
| 1 Wh | 0.001 kWh |
| 2 Wh | 0.002 kWh |
| 3 Wh | 0.003 kWh |
| 4 Wh | 0.004 kWh |
| 5 Wh | 0.005 kWh |
| 6 Wh | 0.006 kWh |
| 7 Wh | 0.007 kWh |
| 8 Wh | 0.008 kWh |
| 9 Wh | 0.009 kWh |
| 10 Wh | 0.01 kWh |
About the kilowatt hour
A kilowatt hour is the unit on your electricity bill — 3.6 million joules.
About the watt hour
A watt hour is the energy of one watt sustained for one hour, equal to 3,600 joules.
Frequently asked questions
How many watt hours are in a kilowatt hour?
There are 1,000 watt hours in one kilowatt hour.
How many kilowatt hours are in a watt hour?
There are 0.001 kilowatt hours in one watt hour.
Is this conversion exact?
The ratio between the kilowatt hour and the watt hour is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 kilowatt hours in watt hours?
10 kilowatt hours equals 10,000 watt hours.
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