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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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Humidity may also be a key factor in any disruption to the World Cup caused by the weather.

From BBC • May 9, 2026

They also discovered something especially interesting: the exchange factor in 1D systems can be directly tuned.

From Science Daily • May 9, 2026

PayPal, Coinbase, and Freshworks all announced deep job cuts this week, with each company citing AI as a factor in its restructuring.

From The Wall Street Journal • May 7, 2026

You’ll obviously still have to factor in all the property taxes, lawyer fees and other costs into buying this home from your daughter, and it will cost her money to sell it.

From MarketWatch • May 5, 2026

There was another factor in Baird’s mind: Reggie “seemed like a decent kid.”

From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel

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