Square mile


The square mile is an imperial and US [customary system|US unit] of measure for area. One square mile is equal to the area of a square with each side measuring a length of one mile.

Equivalents

One square mile is equal to:
One square mile is also equivalent to:

Similarly named units

Miles square

Square miles should not be confused with miles square, a square region with each side having a length of the value given. For example, a region which is 20 miles square has an area of ; a rectangle of measuring × also has an area of, but is not 20 miles square.

Section

In the United States Public [Land Survey System], "square mile" is an informal synonym for Section (United [States land surveying)|section].