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

The Whitney Museum of American Art’s Renzo Piano-designed building cost $422 million when it opened in 2015 and spans 200,000 square feet, making its cost about $2,110 per square foot.

From Los Angeles Times • Apr. 8, 2026

Costs of a new bunker can easily run $10 to $20 a square foot, or $10,000 to $20,000 for a typical bunker.

From The Wall Street Journal • Apr. 4, 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

The proposal is for £4 per square foot of the property, plus service charges.

From BBC • Mar. 27, 2026

When he left the earth, Bull knew that he had every chance of passing through a square foot of sky unviolated by man before.

From "The Great Santini" by Pat Conroy