Square Millimeters to Ares Conversion

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

Results in Ares:
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1 sq mm = 1.0E-8 a
Hint: use a scientific notation calculator to convert E notation to decimal

How to Convert Square Millimeters to Ares

To convert a square millimeter measurement to an are measurement, divide the area by the conversion ratio.

Since one are is equal to 100,000,000 square millimeters, you can use this simple formula to convert:

ares = square millimeters ÷ 100,000,000

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

For example, here's how to convert 50,000,000 square millimeters to ares using the formula above.
50,000,000 sq mm = (50,000,000 ÷ 100,000,000) = 0.5 a

Square millimeters and ares are both units used to measure area. Keep reading to learn more about each unit of measure.

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.


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 Millimeter to Are Conversion Table

Square millimeter measurements converted to ares
Square Millimeters Ares
1 sq mm 0.00000001 a
2 sq mm 0.00000002 a
3 sq mm 0.00000003 a
4 sq mm 0.00000004 a
5 sq mm 0.00000005 a
6 sq mm 0.00000006 a
7 sq mm 0.00000007 a
8 sq mm 0.00000008 a
9 sq mm 0.00000009 a
10 sq mm 0.0000001 a
100 sq mm 0.000001 a
1,000 sq mm 0.00001 a
10,000 sq mm 0.0001 a
100,000 sq mm 0.001 a
1,000,000 sq mm 0.01 a
10,000,000 sq mm 0.1 a
100,000,000 sq mm 1 a

More Square Millimeter & Are Conversions