Online calculator to convert square millimeters to square centimeters (mm2 to cm2) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Area units.
Conversion Calculator
Enter your value in the conversion calculator below.
Convert mm2 to cm2
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Conversion Definitions
The following is a list of definitions relating to conversions between square millimeters and square centimeters.
What is a square millimeter (mm2)?
A square millimeter is a unit of area in the Metric System. The symbol for square millimeter is mm2. There are 100 square millimeters in a square centimeter. A square millimeter is calculated as the area of a square that has 1 millimeter on each side. The International spelling for this unit is square millimetre.
What is a square centimeter (cm2)?
A square centimeter is a unit of area in the Metric System. The symbol for square centimeter is cm2. There are 0.01 square centimeters in a square millimeter. A square centimeter is calculated as the area of a square that has 1 centimeter on each side. The International spelling for this unit is square centimetre.
Conversion Formula
Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.
The formula to convert from mm2 to cm2 is:
cm2 = mm2 ÷ 100
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from square millimeters to square centimeters (mm2 to cm2).
Square Millimeter to Square Centimeter Conversion Example
Task: Convert 2,500 square millimeters to square centimeters (show work) Formula: mm2 ÷ 100 = cm2 Calculations: 2,500 mm2 ÷ 100 = 25 cm2 Result: 2,500 mm2 is equal to 25 cm2
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from mm2 to cm2.
Square Millimeters to Square Centimeters Conversion Chart
| square millimeters (mm2) | square centimeters (cm2) |
|---|---|
| 1 mm2 | 0.01 cm2 |
| 2 mm2 | 0.02 cm2 |
| 3 mm2 | 0.03 cm2 |
| 4 mm2 | 0.04 cm2 |
| 5 mm2 | 0.05 cm2 |
| 6 mm2 | 0.06 cm2 |
| 7 mm2 | 0.07 cm2 |
| 8 mm2 | 0.08 cm2 |
| 9 mm2 | 0.09 cm2 |
| 10 mm2 | 0.1 cm2 |
| 20 mm2 | 0.2 cm2 |
| 30 mm2 | 0.3 cm2 |
| 40 mm2 | 0.4 cm2 |
| 50 mm2 | 0.5 cm2 |
| 75 mm2 | 0.75 cm2 |
| 100 mm2 | 1 cm2 |
| 250 mm2 | 2.5 cm2 |
| 500 mm2 | 5 cm2 |
| 750 mm2 | 7.5 cm2 |
| 1,000 mm2 | 10 cm2 |
| 2,500 mm2 | 25 cm2 |
| 5,000 mm2 | 50 cm2 |
| 7,500 mm2 | 75 cm2 |
| 10,000 mm2 | 100 cm2 |
| 25,000 mm2 | 250 cm2 |
| 50,000 mm2 | 500 cm2 |
| 75,000 mm2 | 750 cm2 |
| 100,000 mm2 | 1,000 cm2 |
| 250,000 mm2 | 2,500 cm2 |
Related Units
This table provides a summary of the Area units within their respective measurement systems.
| Unit | Symbol | Measurement System |
|---|---|---|
| square inches | in2 or sq in | US Customary Units/Imperial System |
| square feet | ft2 or sq ft | US Customary Units/Imperial System |
| square yards | yd2 or sq yd | US Customary Units/Imperial System |
| acres | ac | US Customary Units/Imperial System |
| square miles | mi2 or sq mi | US Customary Units/Imperial System |
| square millimeters | mm2 | Metric System |
| square centimeters | cm2 | Metric System |
| square decimeters | dm2 | Metric System |
| square meters | m2 | Metric System |
| square decameters | dam2 | Metric System |
| square hectometers | hm2 | Metric System |
| hectares | ha | Metric System |
| square kilometers | km2 | Metric System |
Note: For area conversions, US Customary Units and the Imperial System are equivalent.
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