Convert Square Centimeters to Square Millimeters

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

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1 sq cm = 100 sq mm

How to Convert Square Centimeters to Square Millimeters

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

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

square millimeters = square centimeters × 100

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

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

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

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 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 Centimeter to Square Millimeter Conversion Table

Square centimeter measurements converted to square millimeters
Square Centimeters Square Millimeters
0.1 sq cm 10 sq mm
0.2 sq cm 20 sq mm
0.3 sq cm 30 sq mm
0.4 sq cm 40 sq mm
0.5 sq cm 50 sq mm
0.6 sq cm 60 sq mm
0.7 sq cm 70 sq mm
0.8 sq cm 80 sq mm
0.9 sq cm 90 sq mm
1 sq cm 100 sq mm