calculate

verb

cal·​cu·​late ˈkal-kyə-ˌlāt 

calculated; calculating

transitive verb

1

a

: to determine by mathematical processes

calculate the rate of acceleration

b

: to reckon by exercise of practical judgment : estimate

calculate the likelihood of success

c

: to solve or probe the meaning of : figure out

trying to calculate his expression

—Hugh MacLennan

2

: to design or adapt for a purpose

he carefully calculated the timing of his arrival for maximum impact

3

a

: to judge to be true or probable

b

: intend

I calculate to do it or perish in the attempt

—Mark Twain

intransitive verb

1

a

: to make a calculation

b

: to forecast consequences

2

: count, rely

Synonyms

• cipher
• compute
• figure
• reckon
• work out

Examples of calculate in a Sentence

calculate the volume of a cylinder

I need to calculate how long it will take me to drive to Chicago.

We calculated the cost of new carpeting for the whole house.

We need to calculate our chances of success before we invest more money in the business.

Recent Examples on the Web

The reciprocal rates, which aren’t exactly reciprocal, were calculated by dividing a country’s trade deficit with the US by its exports to the country and multiplying by 1/2. —Elisabeth Buchwald, CNN Money, 9 Apr. 2025

Opta’s Premier League Predictor, which projects the final standings by simulating the remaining games thousands of times to calculate an average outcome, gives Brighton a 17.3 per cent chance of finishing seventh or higher. —Andy Naylor, New York Times, 9 Apr. 2025

These tariffs, which were set to go into effect today but have now been put on a 90-day pause for every country except for China, which will see a 125 percent tax on exports, seem to have been calculated using a blanket formula that some economists and trade experts find almost nonsensical. —Charlie Warzel, The Atlantic, 9 Apr. 2025

That family called a saros (repetition), will peak in 2186 when a seven-minute and 29-second totality will occur in the Atlantic off Brazil — the longest total solar eclipse since 743 B.C. and the longest that has been calculated ever to occur. —Jamie Carter, Forbes.com, 8 Apr. 2025

Word History

Etymology

borrowed from Late Latin calculātus, past participle of calculāre "to count, reckon, compute," derivative of Latin calculus "pebble, pebble used for calculating on a counting board, method or result of calculation" — more at calculus

Note: The verb may already have existed in Latin, to judge by the derivative calculātor—see calculator.

First Known Use

1542, in the meaning defined at transitive sense 1a

Rhymes for calculate

• abdicate
• abrogate
• acetate
• activate
• actuate
• adsorbate
• aggravate
• agitate
• alginate
• alienate
• allocate
• amputate

Kids Definition

calculate

verb

cal·​cu·​late ˈkal-kyə-ˌlāt 

calculated; calculating

1

: to find by performing mathematical operations (as addition, subtraction, multiplication, and division) : compute

calculate the average

2

: estimate entry 1 sense 1

calculate the risk of losing

3

: to plan by careful thought

a program calculated to succeed

Etymology

from Latin calculatus "calculate," derived from calculus "pebble (used in counting)," from calc-, calx "stone used in gambling, lime" — related to calcium, chalk