To convert square millimeters to square centimeters, multiply the value by 0.01. To go the other way, multiply square centimeters by 100 to get square millimeters.
| Square Millimeters (mm²) | Square Centimeters (cm²) |
|---|---|
| 1 mm² | 0.01 cm² |
| 2 mm² | 0.02 cm² |
| 5 mm² | 0.05 cm² |
| 10 mm² | 0.1 cm² |
| 20 mm² | 0.2 cm² |
| 50 mm² | 0.5 cm² |
| 100 mm² | 1 cm² |
| 500 mm² | 5 cm² |
| 1,000 mm² | 10 cm² |
Square millimeter (mm²). A square millimeter is the area of a square with 1 mm sides, used for small parts, wire and pipe cross-sections.
Square centimeter (cm²). A square centimeter is the area of a square with 1 cm sides, widely used in schools and for small surfaces.
There are 0.01 square centimeters in one square millimeter.
Multiply the number of square millimeters by 0.01. For example, 10 square millimeters equal 0.1 square centimeters.
One square centimeter equals 100 square millimeters.