# Square mile

The square mile was a European and North American measure of area as widely used as the mile into the 19th century . Their extent varied from country to country due to the different mile lengths.

## Square mile in Germany

One unit of the square mile used in German-speaking countries up to the 19th century corresponds to an area of ​​around 55–57 square kilometers (cf. mile , in Germany from 7419 to 7533 m).

Physical unit
Unit name Square mile
Unit symbol ${\ displaystyle \ mathrm {sqmi, mi ^ {2}}}$
Physical quantity (s) Area
Formula symbol ${\ displaystyle A}$
dimension ${\ displaystyle {\ mathsf {L ^ {2}}}}$
system Anglo-American system of measurement
In SI units ${\ displaystyle \ mathrm {1 \, sqmi = 2 \, 589 \, 988 {,} 110 \, 336 \; m ^ {2}}}$
Derived from Statute mile

## Anglo-American Square Mile

As a square mile , it is used in the Anglo-American system of measurement and, in the 21st century, especially in the United States . A square mile is the area of ​​a square with an edge length of 1 mile each (" statute mile "; in contrast to the " nautical mile " = nautical mile ). This area corresponds to the equivalent of 2.589988110336 km² , i.e. almost 259 hectares .

The abbreviation for square mile in English-speaking countries is sq mi or mi² .

1 mile = 1760 yards = 5280 feet = 63360 inches = 1609.344 meters

1 square mile = 640 acres = 3,097,600 square yards = 27,878,400 square feet = 4,014,489 600 square inches = 2,589,988,110,336 m²

## Individual evidence

1. How Many? A Dictionary of Units of Measurement . Ed. Russ Rowlett and the University of North Carolina at Chapel Hill (Engl.). Retrieved December 19, 2012