ki·​lo | \ ˈkē-(ˌ)lō How to pronounce kilo (audio) also ˈki- How to pronounce kilo (audio) \
plural kilos

Definition of kilo

 (Entry 1 of 3)

: a unit of mass or weight equaling one thousand grams or approximately 2.2 pounds : kilogram Each sack weighs 50 kilos. Did you know … that it takes a lobster between five and seven years to grow to a weight of half a kilo, the minimum size it should reach before being fished?Food & Drink When he finally strips off the kilos of gold enveloping his body, Deion is as light as a feather.— Curry Kirkpatrick Gathering in Versailles, west of Paris, governments are expected on Friday to approve plans to instead use a scientific formulation to define the exact mass of a kilo.— John Leicester


communications code word

Definition of Kilo (Entry 2 of 3)

used as a code word for the letter k

Definition of kilo- (Entry 3 of 3)

: thousand kiloton

Examples of kilo in a Sentence

Recent Examples on the Web: Noun The per-kilo value of a rhino horn on the black market: $60,000. Cecilia Rodriguez, Forbes, 21 June 2021 The price of rhino horns in the black market varies widely, but rhino horns can cost up to $100,000 per kilo in Asian black markets, CNN reported in 2017. Chiara Vercellone, USA TODAY, 10 June 2021 Each kilo of cocaine that makes it to Europe earns approximately US$30,000. Shauna N Gillooly, The Conversation, 27 May 2021 One kilo of lettuce imported from Australia generates 7.2 kg of carbon. Clarisa Diaz, Quartz, 30 Mar. 2021 That’s based on cost-per-kilo transportation data from SpaceX. Jamie Carter, Forbes, 17 Mar. 2021 Prices have recently soared, to over 400 pesos ($8.25) for a kilo of pork belly, more than double the norm. The Economist, 6 Mar. 2021 Bruce answers all that and more in his Quarantine Questionnaire, and also backs up Danielle DiLorenzo’s account of a kilo of cocaine washing up on shore during the game. Dalton Ross,, 23 Oct. 2020 The war comes home in the form of a kilo of pure heroin. TheWeek, 5 Oct. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'kilo.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of kilo


1870, in the meaning defined above

Communications code word

1952, in the meaning defined above

History and Etymology for kilo

Combining form

French, modification of Greek chilioi

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Dictionary Entries Near kilo

kiln scum



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Statistics for kilo

Last Updated

26 Jun 2021

Cite this Entry

“Kilo.” Dictionary, Merriam-Webster, Accessed 31 Jul. 2021.

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More Definitions for kilo


combining form

English Language Learners Definition of kilo-

: thousand


ki·​lo | \ ˈkē-lō How to pronounce kilo (audio) \
plural kilos

Kids Definition of kilo



Kids Definition of kilo-

: thousand kilometer

More from Merriam-Webster on kilo

Nglish: Translation of kilo for Spanish Speakers


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