# Square Millimeters to Ares Converter

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

## Result in Ares:

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

Do you want to convert ares to square millimeters?

## How to Convert Square Millimeters to Ares

To convert a measurement in square millimeters to a measurement in ares, divide the area by the following conversion ratio: 100,000,000 square millimeters/are.

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 area in 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.
ares = (50,000,000 sq mm ÷ 100,000,000) = 0.5 a

## What Is a Square Millimeter?

One square millimeter is equivalent to the area of a square with edges that are each 1 millimeter in length. One square millimeter is equal to 0.00155 square inches or 1/100 of a square centimeter.

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 thousandths, or 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.

## What Is an Are?

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

Table showing various 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