Convert Ares to Square Miles

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

Results in Square Miles:
Loading content.
1 a = 3.861E-5 sq mi

How to Convert Ares to Square Miles

Calculators can be used to convert measurements from one unit to another

To convert an are measurement to a square mile measurement, multiply the area by the conversion ratio. One are is equal to 3.861E-5 square miles, so 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 5 ares to square miles using the formula above.
5 a = (5 × 3.861E-5) = 0.000193 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 Measurements and Equivalent Square Mile Conversions

Common are values converted to the equivalent square mile value
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
11 a 0.000425 sq mi
12 a 0.000463 sq mi
13 a 0.000502 sq mi
14 a 0.000541 sq mi
15 a 0.000579 sq mi
16 a 0.000618 sq mi
17 a 0.000656 sq mi
18 a 0.000695 sq mi
19 a 0.000734 sq mi
20 a 0.000772 sq mi
21 a 0.000811 sq mi
22 a 0.000849 sq mi
23 a 0.000888 sq mi
24 a 0.000927 sq mi
25 a 0.000965 sq mi
26 a 0.001004 sq mi
27 a 0.001042 sq mi
28 a 0.001081 sq mi
29 a 0.00112 sq mi
30 a 0.001158 sq mi
31 a 0.001197 sq mi
32 a 0.001236 sq mi
33 a 0.001274 sq mi
34 a 0.001313 sq mi
35 a 0.001351 sq mi
36 a 0.00139 sq mi
37 a 0.001429 sq mi
38 a 0.001467 sq mi
39 a 0.001506 sq mi
40 a 0.001544 sq mi

More Are Area Conversions

US Customary
Convert to Acres
1 a is equal to 0.024711 acres
Convert to Square Yards
1 a is equal to 119.599005 square yards
Convert to Square Feet
1 a is equal to 1,076.39 square feet
Convert to Square Inches
1 a is equal to 155,000.3 square inches
SI Units
Convert to Square Kilometers
1 a is equal to 0.0001 square kilometers
Convert to Square Meters
1 a is equal to 100 square meters
Convert to Square Centimeters
1 a is equal to 1,000,000 square centimeters
Convert to Square Millimeters
1 a is equal to 100,000,000 square millimeters
Other Metric Units
Convert to Hectares
1 a is equal to 0.01 hectares