Units of Measure / How Many Acres in a Square Mile

How Many Acres in a Square Mile

The question about how many acres are in one square mile can be difficult for persons who have nothing to do with farming or some other fields of activity where one has to measure areas. Of course, you can easily guess that a square mile1 is a patch of land which is one mile by one mile. But do you know how many acres2 are in it? We will help you to find the right answer:

In many farming communities such a plot is usually called a “section”. They divide it into four even parts named “quarter sections”. Each of them has 160 acres. As a rule, farmland is measured and sold in quarter sections.

This table will give you necessary information for converting square miles and acre into other units of area.

One square mile
One acre
Square miles
Square kilometers

We hope than now you understand how many acres are in a square mile.
  1. The square mile (abbr. sq mi, or mi2) is a US customary and imperial unit of area. It means the area equal to a square of a statue mile. Do not confuse it with the term “miles square”, which denotes the quantity of miles on every side squared.
  2. The acre is a US customary and imperial unit of area, which is also commonly used in some other measurement systems. The international acre is the most widely-spread variant. It is equal to about 4,046.85 square meters, or 0.404 hectare.
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