calculatecal‧cu‧late /ˈkælkjəleɪt/ ●●●S2W3 verb [transitive]1FIND OUTto find out how much something will cost, how long something will take etc, by using numbersThese instruments calculate distances precisely.calculate how much/how many etcI’m trying to calculate how much paint we need.calculate (that)Sally calculated that she’d have about £100 left.calculate something on somethingRates are calculated on an hourly basis.RegisterIn everyday English, people usually say that they work something out or, in American English, figure something out, rather than calculate it:We still haven’t worked out how much it’s all going to cost.GrammarIn more formal English, you say it is calculated that: It is calculated that over $16 billion has been spent on the project.2GUESSto guess something using as many facts as you can findcalculate (that)Researchers calculated that this group was at a higher risk of heart disease.calculate how/what/whether etcIt’s difficult to calculate what effect all these changes will have on the company.3 →be calculated to do somethingTHESAURUScalculate formal to find out an amount, price, or value by adding numbers togetherThe students calculated the cost of printing 5000 copies of their book.work out to calculate something. Work out is less formal than calculate, and is more common in everyday EnglishYou need to work out how much you will need to borrow.figure out (also figure American English) informal to calculate an amountWe still haven't figured out how much it's all going to cost.the method for figuring welfare paymentscount to find out the total number of things or people in a group by looking at each one and adding them all togetherThe teacher counted the children as they got on the bus.total (also total up) to add a number of things together to get a final numberOnce the scores have been totaled, we will announce the winner.Okay, now let's total up who had the most points.quantify formal to say how much something costs, how much of it there is, how serious or effective it is etcI think it's difficult to quantify the cost at the moment, for a variety of reasons.How do you quantify the benefits of the treatment? a reliable method for quantifying the amount of calcium in the bloodassess formal to calculate what the value or cost of something is, or decide how good, bad etc something isThe value of the paintings was assessed at $20 million.They are still assessing the damage.We need to have a better way of assessing students' progress.estimate to guess an amount, price, or number as exactly as you can, based on the knowledge you haveThe police department estimates that the number of violent crimes will decrease by 2%.put a figure on something to say what you think the exact total amount or value of something is, especially when it is a lot It's hard to put a figure on it, but the final cost is likely to be over £225 million.The company has refused to put a figure on its losses. project to calculate what an amount will be in the future, using the information you have nowThe company projects sales of $4 million this year.different ways of calculatingadd to put two or more numbers together to find the totalIf you add 7 and 5, you get 12.subtract/take away to reduce one number by another number. take something awaysounds more informal than subtractIf you subtract 12 from 15, you get 3.multiply to add a number to itself a particular number of times4 multiplied by 10 is 40.divide to calculate how many times one number contains another number10 divided by 2 equals 5. →calculate on something→ See Verb table