calculate
Americanverb (used with object)
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to determine or ascertain by mathematical methods; compute.
to calculate the velocity of light.
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to determine by reasoning, common sense, or practical experience; estimate; evaluate; gauge.
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to make suitable or fit for a purpose; adapt (usually used passively and with an infinitive).
His remarks were calculated to inspire our confidence.
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Chiefly Northern U.S.
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to think; guess.
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to intend; plan.
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verb (used without object)
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to make a computation or form an estimate.
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to count or rely (usually followed by on orupon ).
They calculated on good weather.
verb
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to solve (one or more problems) by a mathematical procedure; compute
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(tr; may take a clause as object) to determine beforehand by judgment, reasoning, etc; estimate
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(tr; usually passive) to design specifically; aim
the car was calculated to appeal to women
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(intr; foll by on or upon) to depend; rely
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dialect (tr; may take a clause as object)
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to suppose; think
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to intend (to do something)
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Other Word Forms
Etymology
Origin of calculate
First recorded in 1560–70; from Late Latin calculātus “reckoned,” past participle of calculāre “to reckon,” derivative of calculus “pebble”; see calculus
Explanation
To calculate is to compute, by figuring out a mathematical equation or a situation. You can calculate your monthly student loan payments, or calculate the risk of not paying them on time. Calculate derives from the Latin word for "count." When you calculate, you either count something up or calculate on something happening. You might be able to calculate the answer to a simple equation in your head but need a calculator to figure out a more complex problem. And when someone is calculating, they are scheming or conniving, always figuring out the fastest way to get ahead.
Vocabulary lists containing calculate
Jim Burke's Academic Vocabulary List
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Pi Day Vocabulary
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"The Gift of the Magi" by O. Henry
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Calculate for Doncic’s career 30.9 points per playoff game, and let’s assume their high-water mark would surely eclipse Saturday’s tally in their 131-108 Game 3 loss at Crypto.com Arena.
From Los Angeles Times • May 10, 2026
Calculate how much you want to invest in a personal project each month and stick to that number.
From MarketWatch • Oct. 29, 2025
Calculate how long to bake the fish by its thickness, about ten minutes per inch, and that will determine when to slip it into the oven.
From Salon • Oct. 24, 2024
Calculate the maximum number of sides you can cut from each length to minimize cost, scraps and ensure that each box side is cut as a solid piece.
From Seattle Times • May 12, 2023
Calculate as we may, the crisis must come, as certainly as death comes to each individual; and whether our social system can bear the strain of such conditions is beyond human ken.
From Buchanan's Journal of Man, May 1887 Volume 1, Number 4 by Buchanan, Joseph R. (Joseph Rodes)
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
