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

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 The online calculator allows taxpayers to compare how much their employer is withholding on their pay stubs to a government projection of how much should be withheld. Tory Newmyer, Washington Post, "The Finance 202: Kushner is Exhibit A of why banking deregulation may be tough sell," 1 Mar. 2018 Many lenders have calculators on their websites so students can understand the impact of the repayment options. Cheryl Winokur Munk, WSJ, "Tips for Repaying Student Loans Ahead of Schedule," 6 May 2018 Sadly, that calculator also told me that Teddy is 23.9 percent over his ideal weight. Maggie Gordon, Houston Chronicle, "More than half of American dogs are overweight. Including mine, apparently.," 9 July 2018 So, in Sacramento, the calculator factors in only $734.25 a month for a studio apartment; in Dallas, $681.58. Cathie Anderson, sacbee, "Which city’s health workers boast highest disposable income? Hint: It’s a capital," 28 June 2018 Taken during the incident were a Tumi laptop bag and the victim’s passport, 10 Fashion Island gift cards, an HP calculator and a black case., "Crime Report: Burglary victim believes thief accessed home by using garage door remote control," 11 July 2018 Kazuo Kashio, one of four brothers who founded Casio Computer, the Japanese company behind G-Shock watches, calculators and other electronics equipment, died June 18 at a Tokyo hospital. Yuri Kageyama, Washington Post, "Kazuo Kashio, co-founder of Casio electronics company, dies at 89," 20 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.

See More

First Known Use of calculator

14th century, in the meaning defined above

Keep scrolling for more

Learn More about calculator

Share calculator

Statistics for calculator

Last Updated

15 Nov 2018

Look-up Popularity

Time Traveler for calculator

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

See more words from the same century

Keep scrolling for more

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

Keep scrolling for more

Comments on calculator

What made you want to look up calculator? Please tell us where you read or heard it (including the quote, if possible).


something that serves to warn or remind

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Vocab Quiz

  • the-education-of-achilles-eugne-delacroix
  • Which is a synonym of discomfit?
True or False

Test your knowledge - and maybe learn something along the way.

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

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