Ares to Square Miles Conversion

Enter the area in ares below to get the value converted to square miles.

Results in Square Miles:
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1 a = 3.861E-5 sq mi
Hint: use a scientific notation calculator to convert E notation to decimal

How to Convert Ares to Square Miles

To convert an are measurement to a square mile measurement, multiply the area by the conversion ratio.

Since one are is equal to 3.861E-5 square miles, you can use this simple formula to convert:

square miles = ares × 3.861E-5

The area in square miles is equal to the ares multiplied by 3.861E-5.

For example, here's how to convert 50,000 ares to square miles using the formula above.
50,000 a = (50,000 × 3.861E-5) = 1.930511 sq mi

Ares and square miles are both units used to measure area. Keep reading to learn more about each unit of measure.


One are is equal to 100 square meters, or the area of a square with 10 meter sides.

The are is a non-SI metric unit for area. Ares can be abbreviated as a; for example, 1 are can be written as 1 a.

Square Miles

One square mile is equal to the area of a square with sides that are 1 mile long. One square mile is roughly equal to 2.59 square kilometers.

The square mile is a US customary and imperial unit of area. Square miles can be abbreviated as sq mi, and are also sometimes abbreviated as mi². For example, 1 square mile can be written as 1 sq mi or 1 mi².

Are to Square Mile Conversion Table

Are measurements converted to square miles
Ares Square Miles
1 a 0.00003861 sq mi
2 a 0.00007722 sq mi
3 a 0.000116 sq mi
4 a 0.000154 sq mi
5 a 0.000193 sq mi
6 a 0.000232 sq mi
7 a 0.00027 sq mi
8 a 0.000309 sq mi
9 a 0.000347 sq mi
10 a 0.000386 sq mi
100 a 0.003861 sq mi
1,000 a 0.03861 sq mi
10,000 a 0.386102 sq mi
100,000 a 3.861 sq mi

More Are & Square Mile Conversions