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Convert Square millimeters to Square centimeters

Quick answer

1 mm² = 0.01 cm²

(and 1 cm² = 100 mm²)

Square millimeters-to-Square centimeters formula

To convert square millimeters to square centimeters, multiply the value by 0.01:
cm² = mm² × 0.01

Square millimeters to Square centimeters conversion table

Square millimeters (mm²)Square centimeters (cm²)
1 mm²0.01 cm²
2 mm²0.02 cm²
3 mm²0.03 cm²
5 mm²0.05 cm²
10 mm²0.1 cm²
20 mm²0.2 cm²
25 mm²0.25 cm²
50 mm²0.5 cm²
100 mm²1 cm²
250 mm²2.5 cm²
500 mm²5 cm²
1000 mm²10 cm²

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