Square Centimeters to Square Millimeters
Convert square centimeters (cm²) to square millimeters (mm²). Type in either box; the other updates as you go.
How to convert square centimeters to square millimeters
To convert square centimeters to square millimeters, multiply the number of square centimeters by 100.
Example
Convert 5 square centimeters to square millimeters:
Square Centimeter to square millimeter conversion chart
| Square Centimeters (cm²) | Square Millimeters (mm²) |
|---|---|
| 1 cm² | 100 mm² |
| 2 cm² | 200 mm² |
| 3 cm² | 300 mm² |
| 4 cm² | 400 mm² |
| 5 cm² | 500 mm² |
| 6 cm² | 600 mm² |
| 7 cm² | 700 mm² |
| 8 cm² | 800 mm² |
| 9 cm² | 900 mm² |
| 10 cm² | 1,000 mm² |
| 12 cm² | 1,200 mm² |
| 15 cm² | 1,500 mm² |
| 20 cm² | 2,000 mm² |
| 25 cm² | 2,500 mm² |
| 30 cm² | 3,000 mm² |
| 40 cm² | 4,000 mm² |
| 50 cm² | 5,000 mm² |
| 60 cm² | 6,000 mm² |
| 70 cm² | 7,000 mm² |
| 75 cm² | 7,500 mm² |
| 80 cm² | 8,000 mm² |
| 90 cm² | 9,000 mm² |
| 100 cm² | 10,000 mm² |
| 150 cm² | 15,000 mm² |
| 200 cm² | 20,000 mm² |
| 250 cm² | 25,000 mm² |
| 500 cm² | 50,000 mm² |
| 1,000 cm² | 100,000 mm² |
Going the other way? See the square millimeters to square centimeters chart.
About the units
Square Centimeter (cm²)
A square centimeter is the area of a square 1 cm on each side, one ten-thousandth of a square meter.
Square Millimeter (mm²)
A square millimeter is one millionth of a square meter. Wire cross-sections are often given in square millimeters.
Frequently asked questions
How many square millimeters are in a square centimeter?
There are 100 square millimeters in a square centimeter.
How many square centimeters are in a square millimeter?
There are 0.01 square centimeters in a square millimeter.
How do you convert square centimeters to square millimeters?
To convert square centimeters to square millimeters, multiply the number of square centimeters by 100.
What is 5 square centimeters in square millimeters?
5 square centimeters equals 500 square millimeters.
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