How to convert Square centimeter to Square millimeter

Conversion factor and calculation steps from Square centimeter (cm²) to Square millimeter (mm²).

Conversion logic

Each unit is defined via the base unit (square meter (m²)). The value is first converted to the base unit, then to the selected unit.

1 cm² = 0.0001 m²

1 mm² = 1.00000000e-6 m²

1 cm² × 0.0001 = 0.0001 m²

0.0001 m² ÷ 1.00000000e-6 = 100 mm²