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square mile

American  
[skwair mahyl] / ˈskwɛər ˈmaɪl /

noun

  • square miles
    plural
  1. a unit of area measurement equal to a square measuring one mile on each side; equivalent to 2.59 square kilometers. mi 2 , sq. mi.


Other Word Forms

Noun Inflected Forms

Etymology

Origin of square mile

First recorded in 1620–30

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.

See Examples For:

In some parts of the U.S. territory, their numbers have climbed as high as 30,000 snakes per square mile.

From Science Daily ● Jul. 26, 2026

Today, Hood County has the sixth most planned data centers among Texas counties; per square mile, it ranks third.

From Salon ● Jun. 6, 2026

President Thomas Jefferson acquired the 828,000-square-mile Louisiana Purchase in 1803 for $15 million, or about $18 per square mile.

From Barron's ● Jan. 8, 2026

Koreatown is one of the densest parts of Los Angeles — at 44,000 people per square mile, it’s more crowded than most New York City boroughs.

From Los Angeles Times ● Aug. 14, 2025

Central Mexico, they said, was the most densely populated place on earth, with more than twice as many people per square mile than China or India.

From "1491" by Charles C. Mann

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