Convert 1 Acre to Square Miles
How big is 1 acre? What is 1 acre in square miles? 1 acres to sq mi conversion.
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1 Acre =
0.0015625 Square Miles
exact result
Decimal places
Result in Plain English
1 acre is equal to about 1.56 thousandths of a square mile.
To a Percentage
1 acre ≈ 0.156% of a square mile.
Result as a Fraction
1 acre
= 1⁄640 square mile
In Scientific Notation
1 acre
= 1 x 100 acres
= 1.5625 x 10-3 square miles
Acres
An acre is a unit of area equal to 1/640th of a square mile. It is about the size of an American football field.Abbreviation: ac
Square Miles
A square mile is a unit of area. It is the size of a square that is one mile on a side. It is equal to 640 acres or approximately 2.59 square kilometers.Common abbreviations: sq mi, mi², mi^2