# Convert Square Millimeters to Square Centimeters

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

**Results in Square Centimeters:**

## How to Convert Square Millimeters to Square Centimeters

To convert a square millimeter measurement to a square centimeter measurement, multiply the area by the conversion ratio. One square millimeter is equal to 0.01 square centimeters, so use this simple formula to convert:

The area in square centimeters is equal to the square millimeters multiplied by 0.01.

**For example,**here's how to convert 5 square millimeters to square centimeters using the formula above.

Square millimeters and square centimeters 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.

## 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 Measurements and Equivalent Square Centimeter Conversions

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 |

11 sq mm | 0.11 sq cm |

12 sq mm | 0.12 sq cm |

13 sq mm | 0.13 sq cm |

14 sq mm | 0.14 sq cm |

15 sq mm | 0.15 sq cm |

16 sq mm | 0.16 sq cm |

17 sq mm | 0.17 sq cm |

18 sq mm | 0.18 sq cm |

19 sq mm | 0.19 sq cm |

20 sq mm | 0.2 sq cm |

21 sq mm | 0.21 sq cm |

22 sq mm | 0.22 sq cm |

23 sq mm | 0.23 sq cm |

24 sq mm | 0.24 sq cm |

25 sq mm | 0.25 sq cm |

26 sq mm | 0.26 sq cm |

27 sq mm | 0.27 sq cm |

28 sq mm | 0.28 sq cm |

29 sq mm | 0.29 sq cm |

30 sq mm | 0.3 sq cm |

31 sq mm | 0.31 sq cm |

32 sq mm | 0.32 sq cm |

33 sq mm | 0.33 sq cm |

34 sq mm | 0.34 sq cm |

35 sq mm | 0.35 sq cm |

36 sq mm | 0.36 sq cm |

37 sq mm | 0.37 sq cm |

38 sq mm | 0.38 sq cm |

39 sq mm | 0.39 sq cm |

40 sq mm | 0.4 sq cm |

## More Square Millimeter Area Conversions

**US Customary**

- Convert to Square Miles
- 1 sq mm is equal to 3.861E-13 square miles
- Convert to Acres
- 1 sq mm is equal to 2.4711E-10 acres
- Convert to Square Yards
- 1 sq mm is equal to 1.196E-6 square yards
- Convert to Square Feet
- 1 sq mm is equal to 1.0764E-5 square feet
- Convert to Square Inches
- 1 sq mm is equal to 0.00155 square inches

**SI Units**

- Convert to Square Kilometers
- 1 sq mm is equal to 1.0E-12 square kilometers
- Convert to Square Meters
- 1 sq mm is equal to 1.0E-6 square meters

**Other Metric Units**

- Convert to Hectares
- 1 sq mm is equal to 1.0E-10 hectares
- Convert to Ares
- 1 sq mm is equal to 1.0E-8 ares