Acres to Square Miles Converter (ac to mi2 conversion)

Acre To Square Mile Conversion Chart

Acre (ac)	Square Mile (mi²)
1 ac	0.0015625 mi²
10 ac	0.015625 mi²
20 ac	0.03125 mi²
50 ac	0.078125 mi²
100 ac	0.15625 mi²
500 ac	0.78125 mi²
1000 ac	1.5625 mi²
2000 ac	3.125 mi²
5000 ac	7.8125 mi²

Convert from acre to square mile formula

Total square mile =

Total acre

640

For example, if you want to convert 15000 acre to square mile then,

15000

640

= 23.4375 mi²

Convert from square mile to acre formula

Total acre =

Total square mile x 640

23.4375 mi² = 23.4375 x 640 = 15000 ac

Acre

General Information

Unit system	US customary units and the British imperial systems
Unit of	Area
Symbol	acre or ac

The acre is a unit of land area used in the imperial and US customary systems. It is traditionally defined as the area of one chain by one furlong (66 by 660 feet), which is exactly equal to 10 square chains, 1⁄640 of a square mile, or 43,560 square feet, and approximately 4,047 m2, or about 40% of a hectare. Based upon the International yard and pound agreement of 1959, an acre may be declared as exactly 4,046.8564224 square metres. One recognised symbol for the acre is ac,but the word "acre" is also used as the symbol.

Square Mile

The mile (symbol: mi²) is an imperial and US unit of measure for an area equal to the area of a square with a side length of one statute mile. Land area measurements are originally recorded as whole square meters. Square meters are converted to square kilometers by dividing by 1,000,000; square kilometers are converted to square miles by dividing by 2.58999; square meters are converted to square miles by dividing by 2,589,988.