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factor in

British

verb

(tr, adverb) to take account of (something) when making a calculation

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

factor in Idioms

Figure in, include as a basic element. For example, In preparing the schedule we factored in vacation and sick days. This term comes from mathematics. [Mid-1900s]

Example Sentences

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See Examples For:

factor in

He cuts his 2026-2028 core net profit projections by 16%-18% to factor in slower run rate and margins for the Singapore hospital operator’s healthcare services business.

From The Wall Street Journal ● Jul. 28, 2026

As ever, another major factor in assessing the potential longevity of the Commonwealth Games will be the response from fans.

From BBC ● Jul. 23, 2026

And that does not factor in eight-time All-Pro defensive lineman Aaron Donald’s possible return from retirement.

From Los Angeles Times ● Jul. 23, 2026

Your age, the size of your residence and the number of people living there should all factor in, she theorizes, with some extra leeway for those working in or adjacent to the book trade.

From Salon ● Jul. 23, 2026

I would have made it past the teachers with no problem, but I forgot to factor in Heather.

From "Speak" by Laurie Halse Anderson

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023