Watt

W

SI derived unit of power (J/s)

About Watt (W)

The SI derived unit of power, one watt equals one joule per second. Named after James Watt, the Scottish inventor who improved the steam engine, the watt measures everything from LED light bulb consumption (5-15 W) to microwave oven output (700-1,200 W) and charging speeds of electronic devices.

Category
Power
Symbol
W
Also known as
watts
01

CONVERT TO

Kilowatt kW Megawatt MW Gigawatt GW Horsepower (mechanical) hp Horsepower (metric) PS BTU per Hour BTU/h Foot-pound per Second ft·lbf/s Ton of Refrigeration TR

Frequently Asked Questions

What is a Watt (W)?

SI derived unit of power (J/s)

How many Kilowatt (kW) are in one Watt (W)?

One Watt (W) equals 0.001 Kilowatt (kW).

How many Horsepower (mechanical) (hp) are in one Watt (W)?

One Watt (W) equals 0.0013410221 Horsepower (mechanical) (hp).

How many Megawatt (MW) are in one Watt (W)?

One Watt (W) equals 0.000001 Megawatt (MW).

How do I convert Watt to Kilowatt?

To convert Watt to Kilowatt, multiply the value by 0.001 (1 W = 0.001 kW).