Dictionary.com
Thesaurus.com

kilowatt

American  
[kil-uh-wot] / ˈkɪl əˌwɒt /

noun

  1. a unit of power, equal to 1000 watts. kW, kw


kilowatt British  
/ ˈkɪləʊˌwɒt /

noun

  1. kW. one thousand watts

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

kilowatt Scientific  
/ kĭl′ə-wŏt′ /
  1. A unit of power equal to 1,000 watts.


kilowatt Cultural  
  1. One thousand watts. (See power.)


Etymology

Origin of kilowatt

First recorded in 1880–85; kilo- + watt


Compare meaning

How does kilowatt compare to similar and commonly confused words? Explore the most common comparisons:


Vocabulary lists containing kilowatt

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Ionna’s chargers can deliver speeds of up to 400 kilowatt hours, the company said, which is better than many other fast-charging stations.

From MarketWatch ● Sep. 30, 2026

Fervo anticipates that geothermal power from its Utah plant will cost roughly $7,000 per kilowatt of electricity.

From BBC ● Jun. 25, 2026

Fervo’s big project in Utah is expected to cost around $7,000 per kilowatt to build, more than twice as much as a natural-gas plant.

From The Wall Street Journal ● May 14, 2026

Assuming the 600 megawatts are contracted at $300 per kilowatt, Morgan Stanley estimates value creation of about $450 million, or $5 a share, from the data center deal.

From Barron's ● Apr. 28, 2026

Making them bigger makes them take less mass per kilowatt hour of storage.

From "The Martian" by Andy Weir

Random Word

Spin the wheel and learn a new word!

Get a word

Vocabulary.com logo
by dictionary.com

Just like flashcards, but way more fun

Don't take our word for it. Leave the boring studying behind and join VocabTrainer today. You'll learn even faster and never look back.

Take me to Vocabulary.com