# Square Millimeters to Square Centimeters Conversion

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

Results in Square Centimeters: 1 sq mm = 0.01 sq cm

## How to Convert Square Millimeters to Square Centimeters To convert a square millimeter measurement to a square centimeter measurement, divide the area by the conversion ratio. One square centimeter is equal to 100 square millimeters, so use this simple formula to convert:

square centimeters = square millimeters ÷ 100

The area in square centimeters is equal to the square millimeters divided by 100.

For example, here's how to convert 5 square millimeters to square centimeters using the formula above.
5 sq mm = (5 ÷ 100) = 0.05 sq cm

## 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.

## Square Centimeters

One square centimeter is equal to the area of a square with 1 centimeter long sides.

The square centimeter, or square centimetre, is a multiple of the square meter, which is the SI derived unit for area. In the metric system, "centi" is the prefix for 10-2. A square centimeter is sometimes also referred to as a square cm. Square centimeters can be abbreviated as sq cm, and are also sometimes abbreviated as cm². For example, 1 square centimeter can be written as 1 sq cm or 1 cm².

## Square Millimeter to Square Centimeter Conversion Table

Square millimeter measurements converted to square centimeters
Square Millimeters Square Centimeters
1 sq mm 0.01 sq cm
2 sq mm 0.02 sq cm
3 sq mm 0.03 sq cm
4 sq mm 0.04 sq cm
5 sq mm 0.05 sq cm
6 sq mm 0.06 sq cm
7 sq mm 0.07 sq cm
8 sq mm 0.08 sq cm
9 sq mm 0.09 sq cm
10 sq mm 0.1 sq cm