What is US square miles?

Answer 1

A square mile is an area, the simplest shape is a square with all sides 1 mile, but it can be any shape. The mile is the same in other countries such as the UK. A US mile is 1760 yards long, so a US square mile equals 3,097,600 square yards. A US mile converts to metric as 1,609.34 meters, so a US square mile equals 2,589,975 square meters, or approximately 2.6 square kilometers.

Prior to the 13th century, a mile (Roman mile) was considered to be a thousand average-sized(3') double paces, or 6000 feet.