The square mile (sometimes written as mi²) is an imperial and US unit of measure for an area equal to the area of a square of one statute mile. It should not be confused with miles square, which refers to the number of miles on each side squared. For instance, 20 miles square (20×20 miles) is equal to 400 square miles.
1 square mile is equivalent to:
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Also known as:
- Mile²,
- Square miles,
- Sq mile,
- Sq miles,
- Sq mi
