square foot

American  

[skwair foot] / ˈskwɛər ˈfʊt /

noun

plural

square feet

1. a unit of area measurement equal to a square measuring one foot on each side; 0.0929 square meters. ft 2 , sq. ft.

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Etymology

Origin of square foot

First recorded in 1670–80

Example Sentences

Prices per square foot rose the most in Providence, R.I., with an increase of just under 10% compared with March 2025.

From Barron's • Apr. 25, 2026

The San Francisco Museum of Modern Art’s 2016 Snøhetta expansion cost $305 million and added 235,000 square feet — about $1,765 per square foot.

From Los Angeles Times • Apr. 8, 2026

Drone services are priced at 50 cents a square foot annually, which the company said often works out to around $8 per child a month.

From The Wall Street Journal • Apr. 5, 2026

He also pointed to the relative value compared to nearby coastal markets, noting similar waterfront properties elsewhere often come at a significantly higher price per square foot.

From MarketWatch • Apr. 1, 2026

If the carpet covers the stain entirely, we know that the stain is smaller than the carpet; if the carpet is one square foot, then the stain must take up less than one square foot.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife