# Square Centimeters to Square Millimeters Conversion

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

**Results in Square Millimeters:**

## How to Convert Square Centimeters to Square Millimeters

To convert a square centimeter measurement to a square millimeter measurement, multiply the area by the conversion ratio.

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

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.

### How Many Square Millimeters are in a Square Centimeter?

There are **100** square millimeters in a square centimeter, which is why we use this value in the formula above.

1 sq cm = 100 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 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 |