Key facts
- Unit system
- Imperial, United States customary units
- Unit of
- area
- Symbol
- mi , sq mi
- Imperial us
- 4.0145 × 10 sq in 2.7878 × 10 ft 3.0976 × 10 yd 640 acres
- Si units
- 2 589 988 .110 336 m 2.589 988 110 336 km
via Wikipedia infobox
Article
The square mile (abbreviated as sq mi and sometimes as mi) is an imperial and 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