Energy
Kilowatt-hours to Watt-hours
Convert kilowatt-hours to watt-hours instantly.
About this conversion
Kilowatt-hours (kWh) are the standard unit on electricity bills. 1 kWh = 1,000 Wh. Watt-hours (Wh) are used for battery capacity and electricity consumption reports. 1 Kilowatt-hours equals 1,000 watt-hours. The converter above calculates the result instantly — you can also swap the units to convert in the other direction.
How to use
Enter a value in the kilowatt-hours field and instantly see the result in watt-hours. Click the swap button to reverse the conversion.
Manual calculation
1 kilowatt-hours = 1,000 watt-hours. Example: 10 kWh = 10,000 Wh.
Frequently asked questions
How do you convert kilowatt-hours to watt-hours?
Multiply the number of kilowatt-hours by 1,000 to get watt-hours. Example: 5 kWh × 1,000 = 5,000 Wh.
Are kilowatt-hours bigger or smaller than watt-hours?
Kilowatt-hours is larger than Watt-hours. One kilowatt-hour equals 1,000 watt-hours, so the result is a larger number when converting from kilowatt-hours to watt-hours.
What is 2 kilowatt-hours in watt-hours?
2 kWh equals 2,000 Wh.
How many kilowatt-hours are in 1 watt-hour?
1 Wh equals 0.001 kWh. This is the reverse conversion — useful if you have a value in watt-hours and want it in kilowatt-hours.
What is kilowatt-hour?
Kilowatt-hours (kWh) are the standard unit on electricity bills. 1 kWh = 1,000 Wh.
What is watt-hour used for?
Watt-hours (Wh) are used for battery capacity and electricity consumption reports.