Convert Watt-Hours to Kilowatt-Hours
1 Wh = 0.001 kWh
Conversion Table
| watt-hours (Wh) | kilowatt-hours (kWh) |
|---|---|
| 0.5 | 0.0005 |
| 1 | 0.001 |
| 2 | 0.002 |
| 5 | 0.005 |
| 10 | 0.01 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 250 | 0.25 |
| 500 | 0.5 |
| 1000 | 1 |
How to Convert watt-hours to kilowatt-hours
To convert watt-hours to kilowatt-hours, multiply the value by the conversion factor:
For example: 10 Wh = 0.01 kWh
About watt-hours and kilowatt-hours
The Conversion Formula
To convert watt-hours to kilowatt-hours, multiply the value by the conversion factor: 1 Wh = 0.001 kWh. For a worked example, suppose you need to convert 25 Wh to kilowatt-hours: 25 × 0.001 = 0.025 kWh. To convert in the opposite direction, divide by 0.001, or equivalently multiply by 1000.
About watt-hours
The watt-hour (Wh) is a smaller version of the kilowatt-hour. It is the standard for rating the capacity of batteries in laptops, smartphones, and power banks. Airlines often limit spare batteries to 100Wh for safety. watt-hours are commonly used in Laptop batteries, Power banks, Smartphone specs, and Drone batteries, Portable speakers.
A typical phone battery holds 10-15 Wh.
About kilowatt-hours
The kilowatt-hour (kWh) is the unit of energy used to bill electricity. It is not a unit of power (kilowatts), but of energy: it is 1,000 watts of power sustained for one hour. One kWh equals exactly 3.6 million Joules. It was popularized by the electric utility industry as a unit easy for consumers to understand. kilowatt-hours are commonly used in Electric bills, Electric vehicle batteries, Solar panel output, and Home energy audits, Power plant generation.
Running a 1,000W microwave for one hour uses 1 kWh.
When Would You Convert watt-hours to kilowatt-hours?
Converting between watt-hours and kilowatt-hours is one of the most common energy conversions. You might need this conversion when working with international specifications, following instructions written for a different measurement system, or comparing values across different standards. Having the conversion factor (1 Wh = 0.001 kWh) memorized or bookmarked can save time in professional and everyday contexts alike.