cal·​cu·​la·​tor | \ ˈkal-kyə-ˌlā-tər \

Definition of calculator 

: one that calculates: such as
a : a usually electronic device for performing mathematical calculations
b : a person who operates a calculator

Examples of calculator in a Sentence

Recent Examples on the Web

More Tax Report After the changes, the Internal Revenue Service posted a calculator to help people fine-tune their withholding or estimated taxes. Laura Saunders, WSJ, "Seven New Year’s Tax Resolutions for 2019," 28 Dec. 2018 Rajant engineers have shrunk the devices in updated versions, from the size of a car battery to a desktop calculator to a mobile phone, while packing them with more power and features. Joseph N. Distefano,, "America's robot future: Rajant celebrates new HQ, plans for growth," 2 July 2018 Use this online protein calculator to determine your RDA for protein. Fiza Pirani, ajc, "Is too much protein dangerous? High-protein diets may increase heart failure risk by nearly 50 percent, study suggests," 30 May 2018 Get out your calculator before the house hunt starts. Michele Lerner, The Seattle Times, "Financial planning now can help reduce anxiety of buying a home," 10 Feb. 2018 Surely now, amid an influx of fertility-calculator apps, hormone-testing kits, and pop-up clinics, that number is ticking higher. Laura Regensdorf, Vogue, "At 35, I Went to a Millennial Egg-Freezing Clinic—and Now I’m Rethinking My Future," 12 Nov. 2018 The Nature Conservancy offers a free online calculator to show you how much carbon dioxide your everyday activities emit. Emily Hernandez, Teen Vogue, "What Is Climate Change? Everything You Need To Know About Global Warming," 17 July 2018 Generator manufacturers and retailers post helpful sizing worksheets or wattage calculators on their websites to help you figure it all out; Honda's is a good example. Timothy Dahl, Popular Mechanics, "Home Generator 101: How to Power on When the Power Goes Out," 10 Sep. 2018 According to a cost-of-living calculator at the American Institute for Economic Research, that would amount to a little more than $29 million by today’s standards. Hasan Dudar, Detroit Free Press, "This Dearborn high school looks like a castle," 27 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'calculator.' 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 calculator

14th century, in the meaning defined above

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Last Updated

11 Jan 2019

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Time Traveler for calculator

The first known use of calculator was in the 14th century

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More Definitions for calculator



English Language Learners Definition of calculator

: a small electronic device that is used for adding, subtracting, etc.


cal·​cu·​la·​tor | \ ˈkal-kyə-ˌlā-tər \

Kids Definition of calculator

1 : a person who calculates
2 : a usually small electronic device for solving mathematical problems

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More from Merriam-Webster on calculator

Rhyming Dictionary: Words that rhyme with calculator

Spanish Central: Translation of calculator

Nglish: Translation of calculator for Spanish Speakers

Britannica English: Translation of calculator for Arabic Speakers Encyclopedia article about calculator

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