calculator

noun

cal·​cu·​la·​tor ˈkal-kyə-ˌlā-tər How to pronounce calculator (audio)
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The new guidelines, which update 2018 standards, redefine some categories for heart disease and stroke risk, recommend a new calculator for determining risks and advise screening for heart disease beginning at 30 for adults, as well as screening for high cholesterol in children ages 9 to 11. Roni Robbins, AJC.com, 30 Mar. 2026 The company used the MIT living wage calculator to determine cost of living by region for single adults and families of four. Itzel Luna, Los Angeles Times, 28 Mar. 2026 Paul Mitchell, a political data consultant, produced a website calculator that estimates a roughly 20% chance of a Hilton-Bianco matchup in November if no Democratic candidate drops out. Bloomberg, Mercury News, 27 Mar. 2026 District 29’s website provides a tax impact calculator for voters to estimate their total annual and monthly property tax increases. Claire Murphy, Chicago Tribune, 27 Mar. 2026 See All Example Sentences for calculator

Word History

Etymology

Middle English calkelatour "one who counts or computes, mathematician," borrowed from Latin calculātōr-, calculātor "teacher of arithmetic," from calculā- (attested in Late Latin as the stem of calculāre "to count, calculate") + -tōr-, -tor, agent suffix

First Known Use

14th century, in the meaning defined above

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

Browse Nearby Words

Cite this Entry

“Calculator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/calculator. Accessed 2 Apr. 2026.

Kids Definition

calculator

noun
cal·​cu·​la·​tor ˈkal-kyə-ˌlāt-ər How to pronounce calculator (audio)
1
: one that calculates
2
: a usually small electronic device for making mathematical calculations

More from Merriam-Webster on calculator

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster