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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

Another big factor in the declining number of people receiving benefits is a remarkably low level of layoffs.

From MarketWatch • May 7, 2026

A rift with Saudi Arabia was another key factor in the U.A.E.’s departure.

From Barron's • May 4, 2026

That contrast between the immediate virtues of wheat and barley and the difficulties posed by teosinte may have been a significant factor in the differing developments of New World and Eurasian human societies.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond

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