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

• compute
• figure
• estimate
• assess
• measure
• evaluate

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

Public fortunes were calculated based on stock prices and exchange rates as on June 13. —Phisanu Phromchanya, Forbes.com, 2 July 2025

That’s partly because the budget wasn’t released, and because DeSantis — who has seen the state budget balloon by 26% on his watch — used some creative accounting to calculate the total. —Lawrence Mower, Miami Herald, 1 July 2025

The Tribune was able to calculate approximate amounts based on the language of the agreements and other public records. —Lizzie Kane, Chicago Tribune, 30 June 2025

From fiscal year 2029 onward, each state's share would be calculated based on its average error rate over the previous three years. —Hannah Parry, MSNBC Newsweek, 30 June 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