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.
GitHub provided a calculator to help customers figure out their new costs, and social media posts suggest the service is getting considerably more expensive. Jordan Novet, CNBC, 22 May 2026 Consider a calculator that gives you two distinct answers for the same multiplication problem. Sam Sammane, Forbes.com, 22 May 2026 The Environmental Protection Agency has a calculator that can help with that decision. Camila Domonoske, NPR, 22 May 2026 An engineer by training, Massie designed several patents — some on display in his office — as well as a debt calculator that blinks in flashing red numerals as the nation’s deficits pile up. ABC News, 20 May 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 26 May. 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