ac
mi2

## Acre To Square Mile Conversion Chart

Acre (ac) Square Mile (mi2)
1 ac0.0015625 mi2
10 ac0.015625 mi2
20 ac0.03125 mi2
50 ac0.078125 mi2
100 ac0.15625 mi2
500 ac0.78125 mi2
1000 ac1.5625 mi2
2000 ac3.125 mi2
5000 ac7.8125 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.