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www.reference.com/article/calculate-square-miles-9a15f533cae1381b

To calculate the area of a structure or section of land mass in square miles, use the formula for area of the section's shape with the dimensions, such as length, width, and radius, in miles. Not all sections of land or buildings have a simple shape, in which case the s...

www.reference.com/article/many-square-miles-earth-9a828fe84c9dab10

The Earth's total surface area is nearly 197 million square miles. Approximately 71 percent of the Earth's surface area is covered in water, and the remaining 29 percent is land. The Earth's total land surface area is about 57 million square miles.

www.reference.com/article/many-square-feet-mile-8a8c4c4daa5f8fd4

A square foot is a measure of surface area, and a mile is a measure of length. There are 5,280 feet in a mile and 27,878,400 square feet in a square mile.

www.reference.com/article/many-acres-square-mile-da5dea82c6588fe

One square mile equals 640 survey acres. A survey acre is a U.S. customary unit of area derived from the Imperial system of measurement and is used primarily in the United States.

www.reference.com/article/large-chicago-square-miles-1464232402703a4f

As of 2010, the city of Chicago has an area of 227.63 square miles, including 26 miles of lakefront land and 15 miles of beaches. Chicago has a population of 2,695,598 people, or 11,841.8 persons per square mile, making it the third largest city in the United States.

www.reference.com/article/many-square-miles-brazil-2fb294c3c516b80a

Brazil comprises a total area of about 3.3 million square miles, making it the fifth largest country in the world and the largest country in South America, occupying over half the continent. Brazil is bordered by the Atlantic Ocean and has a coastline spanning approxima...

www.reference.com/article/largest-u-s-cities-square-miles-41108f103b6c502c

The largest city by area in the United States is Yakutat, Alaska at 9,459.28 square miles. The second and third largest cities are also in Alaska: Sitka at 2,874 square miles and Juneau at 2,717 square miles.