Square Centimeters to Square Millimeters Converter
Convert cm² to mm² instantly. 1 cm² = 100 mm².
Conversion Formula
mm² = cm² × 100
Example
25 cm² × 100 = 2,500 mm²
Convert the other way: Square Millimeters to Square Centimeters →
Square Centimeters to Square Millimeters Conversion Table
| Square Centimeters (cm²) | Square Millimeters (mm²) |
|---|---|
| 0.1 | 10 |
| 0.5 | 50 |
| 1 | 100 |
| 2 | 200 |
| 5 | 500 |
| 10 | 1,000 |
| 20 | 2,000 |
| 25 | 2,500 |
| 50 | 5,000 |
| 100 | 10,000 |
| 500 | 50,000 |
| 1,000 | 100,000 |
About These Units
- Square Centimeters (cm²)
- The area of a square 1 cm on each side, or one ten-thousandth of a square meter. It is used for small surfaces such as burns and wounds in medicine, and for cross-sections in school physics problems.
- Square Millimeters (mm²)
- The area of a square 1 mm on each side, or one millionth of a square meter. It is the standard size measure for electrical wire cross-sections outside North America, and it also describes camera sensors.
Frequently Asked Questions
How many mm² are in 1 cm²?
1 cm² equals 100 mm².
How do I convert Square Centimeters to Square Millimeters?
Multiply your Square Centimeters value by 100. For example, 25 cm² × 100 = 2,500 mm².
How many cm² are in 1 mm²?
1 mm² equals 0.01 cm².