Square mile

A square mile is an English unit of area Area

Area is a physical quantity [i] expressing the size of a part of a surface [i]. ... 

 equal to that of a square with sides each 1 statute mile Mile

[i], usually used to measure [[distance]... 

 in length. It is not a metric Metric system

The metric system is a decimalized system of measurement [i] based on the metre [i] ... 

 unit. The other major Imperial unit Imperial unit

The Imperial units or the Imperial system is a collection [i] of English unit [i]s ... 

 / U.S. customary unit of area Area

Area is a physical quantity [i] expressing the size of a part of a surface [i]. ... 

 is the acre, of which there are 640 in a square mile.

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Timeline

1944   LNG explosion destroys a square mile (2.6 kmē) of Cleveland, Ohio



Encyclopedia

A square mile is an English unit of area Area

Area is a physical quantity [i] expressing the size of a part of a surface [i]. ... 

 equal to that of a square with sides each 1 statute mile Mile

[i], usually used to measure [[distance]... 

 in length. It is not a metric Metric system

The metric system is a decimalized system of measurement [i] based on the metre [i] ... 

 unit. The other major Imperial unit Imperial unit

The Imperial units or the Imperial system is a collection [i] of English unit [i]s ... 

 / U.S. customary unit of area Area

Area is a physical quantity [i] expressing the size of a part of a surface [i]. ... 

 is the acre, of which there are 640 in a square mile.
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