Acre to Square Mile Converter

Convert acres to square miles (acre to mi²) instantly with our free online converter. Accurate area conversion results for land measurement.

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How to convert acres to square miles?

To convert acres to square miles, you can use the following conversion factor: **1 mi² = 640 acre**. Simply multiply by 0.0015625 to get the equivalent area in square miles.

A(mi²) = A(acre) × 0.0015625

Example

Convert 100 acre to square miles:

A(mi²) = 100acre × 0.0015625 = 0.15625mi²

How many square miles in a acre?

1 acre = 0.0015625 mi²

1 acre = 0.0015625 mi²

How many acres in a square mile?

1 mi² = 640 acre

1 mi² = 640 acre

What is a Acre?

An acre is a unit of area commonly used in the United States, United Kingdom, and other countries that historically used imperial units. It is equal to 43,560 square feet or approximately 4,047 square meters. Acres are primarily used for measuring land, especially in agriculture and real estate.

What is a Square Mile?

A square mile (mi²) is a unit of area in the imperial system equal to the area of a square with sides of one mile. It equals 640 acres or approximately 2.59 square kilometers. Square miles are commonly used to measure large land areas, particularly in the United States.

Popular acre to square mile conversion table

Acres (acre)Square Miles (mi²)
0.01 acre0.000016 mi²
0.1 acre0.000156 mi²
1 acre0.001563 mi²
2 acre0.003125 mi²
5 acre0.007813 mi²
10 acre0.015625 mi²
20 acre0.03125 mi²
50 acre0.078125 mi²
100 acre0.15625 mi²
250 acre0.390625 mi²
500 acre0.78125 mi²
750 acre1.171875 mi²
1,000 acre1.5625 mi²
2,500 acre3.90625 mi²
5,000 acre7.8125 mi²
10,000 acre15.625 mi²
25,000 acre39.0625 mi²
50,000 acre78.125 mi²
75,000 acre117.1875 mi²
100,000 acre156.25 mi²