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Square Millimeters to Square Centimeters Converter

0.01

1 mm² = 0.01 cm²

How to convert square millimeters to square centimeters

square centimeters = square millimeters ÷ 100

To convert square millimeters to square centimeters, divide the number of square millimeters by 100.

1 mm² = 0.01 cm²

Examples

  • One square centimeter: 100 mm² ÷ 100 = 1 cm²
  • 2.5 mm² ÷ 100 = 0.025 cm²

Square millimeters to square centimeters conversion table

Square millimeters (mm²) Square centimeters (cm²)
1 mm² 0.01 cm²
2 mm² 0.02 cm²
3 mm² 0.03 cm²
4 mm² 0.04 cm²
5 mm² 0.05 cm²
10 mm² 0.1 cm²
15 mm² 0.15 cm²
20 mm² 0.2 cm²
25 mm² 0.25 cm²
50 mm² 0.5 cm²
75 mm² 0.75 cm²
100 mm² 1 cm²
200 mm² 2 cm²
500 mm² 5 cm²
1,000 mm² 10 cm²
5,000 mm² 50 cm²
10,000 mm² 100 cm²

Unit definitions

Square millimeter (mm²)
A square millimeter is one millionth of a square meter. It is the standard unit for the cross-sectional area of electrical wire and cable outside North America.
Square centimeter (cm²)
A square centimeter is the area of a square with 1-centimeter sides, one ten-thousandth of a square meter. It is used for small surfaces such as paper, skin and components.

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