Wh to kWh Converter
Useful for battery and power bank capacities, and appliance energy use measured in watt-hours.
1 Wh = 0.001 kWh
kilowatt-hours
1 Wh = 0.001 kWh
How to convert watt-hours to kilowatt-hours
Multiply the number of watt-hours by 0.001.
Formula
kWh = Wh × 0.001
Examples
- 99 Wh × 0.001 = 0.099 kWh
- 750 Wh × 0.001 = 0.75 kWh
- 5,000 Wh × 0.001 = 5 kWh
Watt-hours to kilowatt-hours conversion table
| Watt-hours (Wh) | Kilowatt-hours (kWh) |
|---|---|
| 1 | 0.001 |
| 10 | 0.01 |
| 50 | 0.05 |
| 60 | 0.06 |
| 99 | 0.099 |
| 100 | 0.1 |
| 160 | 0.16 |
| 250 | 0.25 |
| 500 | 0.5 |
| 750 | 0.75 |
| 1,000 | 1 |
| 1,500 | 1.5 |
| 2,000 | 2 |
| 5,000 | 5 |
| 10,000 | 10 |
Values rounded to 4 decimal places or 4 significant digits.
About watt-hours
A watt-hour is the energy of one watt sustained for one hour, which is 3,600 joules. Battery capacities, such as power banks and laptop batteries, are often given in watt-hours.
About kilowatt-hours
A kilowatt-hour is 1,000 watt-hours, or 3.6 million joules. Electricity bills and electric car batteries are measured in kilowatt-hours.
Frequently asked questions
How many kilowatt-hours are in one watt-hour?
One watt-hour equals 0.001 kilowatt-hours.
How do I convert watt-hours to kilowatt-hours?
Multiply the number of watt-hours by 0.001. For example: 750 Wh × 0.001 = 0.75 kWh.
How many watt-hours are in one kilowatt-hour?
One kilowatt-hour equals 1,000 watt-hours.
Is the Wh to kWh conversion exact?
Yes. The factor follows directly from the official definitions of both units, so the only rounding is in how many decimals are displayed.