Square Mile to Acre Conversion (Convert mi2 to ac)

To convert from square mile to acre (mi2 to ac), please enter value for square mile in from input box. You can also convert from acre to square mile (ac to mi2)

mi2
ac

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Square Mile To Acre Conversion Chart

Square Mile (mi2) Acre (ac)
1 mi2640 ac
10 mi26400 ac
20 mi212800 ac
50 mi232000 ac
100 mi264000 ac
500 mi2320000 ac
1000 mi2640000 ac
2000 mi21280000 ac
5000 mi23200000 ac

Convert from square mile to acre formula

Total acre = Total square mile x 640

For example, if you want to convert 50 Square Mile to Acre then,

50 mi2 = 50 x 640 = 32000 ac

Convert from acre to square mile formula

Total square mile =
Total acre
640
32000 ac
640
 = 50 mi2

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.

Acre

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.

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