Unit Converter › Area › cm² → mm²
Area · scale · base square metre
cm² to mm²
1 square centimetre (cm²) = 100 mm². Multiply by 100. One square centimetre (cm²) is 100 mm².
Convert
scale · base square metre
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| Every unit at once | Value | Unit |
|---|
cm² to mm² table
| square centimetre (cm²) | mm² | Unit |
|---|---|---|
| 1 cm² | 100 | mm² |
| 2 cm² | 200 | mm² |
| 3 cm² | 300 | mm² |
| 5 cm² | 500 | mm² |
| 10 cm² | 1,000 | mm² |
| 20 cm² | 2,000 | mm² |
| 25 cm² | 2,500 | mm² |
| 50 cm² | 5,000 | mm² |
| 100 cm² | 10,000 | mm² |
| 500 cm² | 50,000 | mm² |
| 1,000 cm² | 100,000 | mm² |
the acre is exact
An acre is exactly 4,046.8564224 m², because it is defined from the exact yard. A hectare is exactly 10,000 m² — the two are close but never equal.