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

Using statistical methods, the researchers calculated 6,029 excess deaths in the most permissive states between 2011 and 2023, compared with the number of deaths that would have been expected under the states’ pre-McDonald rules. —Tribune News Service, Twin Cities, 21 June 2025

To Lawson-Remer, the scenario underscores the need to bring in more revenue and change how the county calculates its reserves, freeing up existing cash. —Lucas Robinson, San Diego Union-Tribune, 20 June 2025

Based on the ozone forecast and sunlight angle, a computer calculates the strength of UV radiation at ground level. —Ella Gonzales, Fort Worth Star-Telegram, 20 June 2025

The stress capital buffer is just one of the components used to calculate each bank’s overall Common Equity Tier 1 (CET1) ratio requirement, which is expressed as a percentage and acts as a floor that must be met. —Morgan Chittum, CNBC, 20 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