Square Centimeters (cm²) to Square Millimeters (mm²) Converter
Enter a value to instantly convert between area units.
1 Square Centimeter = 100 Square Millimeter
Key Formulas
Acre → Square Foot
ft² = ac × 43560Square Foot → Acre
ac = ft² × 0.0000229568Hectare → Acre
ac = ha × 2.47105Acre → Hectare
ha = ac × 0.404686Formula
mm² = cm² × 100A square centimeter is 1 cm × 1 cm; a square millimeter is 1 mm × 1 mm. Since 1 cm = 10 mm, then 1 cm² = 100 mm². This scale is common in microelectronics (chip packages), precision machining (small components), and materials testing (specimen cross-sections).
Source: NIST SP 811, Table B.8
Frequently Asked Questions
Real-World Examples
An engineer converting 1 cm² chip package area to 100 mm² for pin density calculation.
1 cm² = 100 mm²
A machinist calculating 5 cm² tool bit contact area in mm² for wear analysis.
5 cm² = 500 mm²
A materials scientist converting 25 cm² tensile test specimen to mm² for stress calculations.
25 cm² = 2500 mm²
A medical device engineer converting 100 cm² implant surface to mm² for coating specification.
100 cm² = 10000 mm²