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Easily convert Square mile (mi²) to Acre (ac) in the Area category with ConvertOnline's efficient tool.
A square mile (mi²) is a unit of area measurement that corresponds to the area of a square with sides measuring one mile in length. It is commonly used in the United States and the United Kingdom for measuring large land areas, such as properties, cities, and geographical regions.
An acre (ac) is a unit of area commonly used in the United States and some other countries to measure land. It is traditionally defined as the area of a rectangle that is 66 feet wide by 660 feet long, resulting in 43,560 square feet.