Convert Ares to Square Millimeters

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

Results in Square Millimeters:
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1 a = 100,000,000 sq mm

How to Convert Ares to Square Millimeters

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

To convert an are measurement to a square millimeter measurement, multiply the area by the conversion ratio. One are is equal to 100,000,000 square millimeters, so use this simple formula to convert:

square millimeters = ares × 100,000,000

The area in square millimeters is equal to the ares multiplied by 100,000,000.

For example, here's how to convert 5 ares to square millimeters using the formula above.
5 a = (5 × 100,000,000) = 500,000,000 sq mm

Ares and square millimeters 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 Millimeters

One square millimeter is equal to the area of a square with edges that are 1 millimeter in length.

The square millimeter, or square millimetre, is a multiple of the square meter, which is the SI derived unit for area. In the metric system, "milli" is the prefix for 10-3. A square millimeter is sometimes also referred to as a square mm. Square millimeters can be abbreviated as sq mm, and are also sometimes abbreviated as mm². For example, 1 square millimeter can be written as 1 sq mm or 1 mm².

Are Measurements and Equivalent Square Millimeter Conversions

Common are values converted to the equivalent square millimeter value
Ares Square Millimeters
1 a 100,000,000 sq mm
2 a 200,000,000 sq mm
3 a 300,000,000 sq mm
4 a 400,000,000 sq mm
5 a 500,000,000 sq mm
6 a 600,000,000 sq mm
7 a 700,000,000 sq mm
8 a 800,000,000 sq mm
9 a 900,000,000 sq mm
10 a 1,000,000,000 sq mm
11 a 1,100,000,000 sq mm
12 a 1,200,000,000 sq mm
13 a 1,300,000,000 sq mm
14 a 1,400,000,000 sq mm
15 a 1,500,000,000 sq mm
16 a 1,600,000,000 sq mm
17 a 1,700,000,000 sq mm
18 a 1,800,000,000 sq mm
19 a 1,900,000,000 sq mm
20 a 2,000,000,000 sq mm
21 a 2,100,000,000 sq mm
22 a 2,200,000,000 sq mm
23 a 2,300,000,000 sq mm
24 a 2,400,000,000 sq mm
25 a 2,500,000,000 sq mm
26 a 2,600,000,000 sq mm
27 a 2,700,000,000 sq mm
28 a 2,800,000,000 sq mm
29 a 2,900,000,000 sq mm
30 a 3,000,000,000 sq mm
31 a 3,100,000,000 sq mm
32 a 3,200,000,000 sq mm
33 a 3,300,000,000 sq mm
34 a 3,400,000,000 sq mm
35 a 3,500,000,000 sq mm
36 a 3,600,000,000 sq mm
37 a 3,700,000,000 sq mm
38 a 3,800,000,000 sq mm
39 a 3,900,000,000 sq mm
40 a 4,000,000,000 sq mm

More Are Area Conversions

US Customary
Convert to Square Miles
1 a is equal to 3.861E-5 square miles
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
Other Metric Units
Convert to Hectares
1 a is equal to 0.01 hectares