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...
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.
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.
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.
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.
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...
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.