1 square meter is equal to 1000000 mm^2, or 10000 **cm**^2 . Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between square **millimeters** and square **centimeters**. Type in your own numbers in the form to convert the units! Quick conversion chart of mm^2 to **cm**^2 1 mm^2 to **cm**^2 = 0.01 <b>**cm**^2</b>. Answer (1 of 3): A **centimeter** **is** 10 milimeters and there are 100 **centimeters** in a meter. **Centimeter**. Definition: A **centimeter** (symbol: cm) is a unit of length in the International System of Units (SI), the current form of the metric system. It is defined as 1/100 meters. History/origin: A **centimeter** **is** based on the SI unit meter, and as the prefix "centi" indicates, is equal to one hundredth of a meter. Metric prefixes range from factors of 10-18 to 10 18 based on a decimal system. Convert from Cubic **centimeters** to Cubic **millimeters**. Type in the amount you want to convert and press the Convert button. Belongs in category. Volume. To other units. Conversion table. For your website. cm³ Cubic **centimeters** to Bushels (UK) bu. bu Bushels (UK) to Cubic **centimeters** cm³. **A** **centimeter** **is** exactly ten **millimeters**. Use a ruler and find out how you can measure to the nearest cm and convert that number to mm. A **centimeter** **is** exactly ten **millimeters**.