Square centimeters to Square millimeters
1 cm² = 100 mm². Edit either value to convert instantly.
Conversion formula
mm² = cm² × (0.0001) × (1,000,000)1 cm² = 100 mm²
square centimeter (cm²)
One square centimeter equals exactly 0.0001 m².
Source: BIPM SI Brochure, 9th edition — SI prefixes and accepted non-SI units
square millimeter (mm²)
One square millimeter equals exactly 0.000001 m².
Source: BIPM SI Brochure, 9th edition — SI prefixes and accepted non-SI units
Conversion table
| cm² | mm² |
|---|---|
| = 100 | |
| = 200 | |
| = 500 | |
| = 1,000 | |
| = 1,500 | |
| = 2,000 | |
| = 2,500 | |
| = 3,000 | |
| = 4,000 | |
| = 4,500 |
| cm² | mm² |
|---|---|
| = 5,000 | |
| = 6,000 | |
| = 7,000 | |
| = 8,000 | |
| = 9,000 | |
| = 10,000 | |
| = 15,000 | |
| = 16,000 | |
| = 17,000 | |
| = 18,000 |
Frequently asked questions
How many square millimeters are in 1 square centimeter?
1 cm² = 100 mm². mm² = cm² × (0.0001) × (1,000,000)
How do I convert cm² to mm²?
mm² = cm² × (0.0001) × (1,000,000)
Is 1 square centimeter bigger than 1 square millimeter?
1 cm² = 100 mm².
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