More information from the unit converter
How many acre in 1 square mile? The answer is 640. We assume you are converting between acre and square mile. You can view more details on each measurement unit: acre or square mile The SI derived unit for area is the square meter. 1 square meter is equal to 0.00024710538146717 acre, or 3.8610215854245E-7 square mile. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between acres and square miles. Type in your own numbers in the form to convert the units!
Quick conversion chart of acre to square mile
1 acre to square mile = 0.00156 square mile
10 acre to square mile = 0.01563 square mile
50 acre to square mile = 0.07813 square mile
100 acre to square mile = 0.15625 square mile
200 acre to square mile = 0.3125 square mile
500 acre to square mile = 0.78125 square mile
1000 acre to square mile = 1.5625 square mile
Want other units?
You can do the reverse unit conversion from square mile to acre, or enter any two units below:
Common area conversions
acre to square millimicron acre to square picometer acre to kattha acre to morgen acre to square attometer acre to pyeong acre to cawney acre to square link acre to cong acre to square cubit
Definition: Acre
An acre is a measure of land area in Imperial units or U.S. customary units. It is equal to 43 560 square feet, 4840 square yards, or 160 square rods. The precise meaning of this depends on the exact definition adopted for a foot: the international acre is 4 046.856 422 4 m² (for the UK, see). For measurements based specifically on the US survey foot the US survey acre is ca. 4 046.872 610 m².
Definition: Square mile
A square mile is defined as the area of a square with sides one mile in length.
The definition of a mile is as follows:
A mile is any of several units of distance, or, in physics terminology, of length. Today, one mile is mainly equal to about 1609 m on land and 1852 m at sea and in the air, but see below for the details. The abbreviation for mile is 'mi'. There are more specific definitions of 'mile' such as the metric mile, statute mile, nautical mile, and survey mile. On this site, we assume that if you only specify 'mile' you want the statute mile.
Metric conversions and more
[BLOGURL] provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!
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