Convert watt to kilowatt
Enter the value to convert from watt to kilowatt.
How to Convert Watt to Kilowatt
Converting watt to kilowatt is straightforward using our conversion calculator.
Conversion Formula
kW = W ÷ 1000Reverse conversion: Convert kilowatt to watt
Comparison: Watt vs Kilowatt
When to Use Each Unit
Watt: Universal standard for electrical power ratings, mechanical power output, and energy transfer rates worldwide.
Kilowatt: Primary unit for household electrical consumption, appliance ratings, and medium-scale power generation.
Common Conversion Values
- 1000 W = 1 kW
- 1 W ≈ 0.00134 hp
- 1 W ≈ 3.41 BTU/h
- 1 W ≈ 0.239 cal/s
About Watt
Definition: The watt (symbol: W) is the SI unit of power, equal to one joule per second or the rate of energy transfer.
History: Named after Scottish inventor James Watt in 1882. Standardized as SI unit to measure rate of energy consumption or production.
Current Use: Universal standard for electrical power ratings, mechanical power output, and energy transfer rates worldwide.
Examples: LED bulb: 10W, laptop: 65W, microwave: 1000W, hair dryer: 1500W, electric kettle: 2000W
About Kilowatt
Definition: The kilowatt (symbol: kW) is equal to 1,000 watts, commonly used for household and commercial power measurements.
History: Standard metric prefix applied to watt for practical power measurements in electrical and mechanical systems.
Current Use: Primary unit for household electrical consumption, appliance ratings, and medium-scale power generation.
Examples: Electric car: 50-200 kW, home consumption: 1-5 kW, air conditioner: 3-6 kW, electric oven: 2-4 kW