mm²
Square Millimeter
Metric System
Square Millimeter (mm²)
A square millimeter (mm²) equals 0.00155 square inches or 0.01 square centimeters. Square millimeters measure wire cross-sections, component sizes, and precision engineering. Electrical wire sizes are often specified in mm² (e.g., 2.5 mm² wire).
Convert From Square Millimeters
Square Millimeter to Square Kilometer
Square Millimeter to Hectare
Square Millimeter to Square Meter
Square Millimeter to Square Centimeter
Square Millimeter to Square Mile
Square Millimeter to Acre
Square Millimeter to Square Yard
Square Millimeter to Square Foot
Square Millimeter to Square Inch
Convert To Square Millimeters
Square Kilometer to Square Millimeter
Hectare to Square Millimeter
Square Meter to Square Millimeter
Square Centimeter to Square Millimeter
Square Mile to Square Millimeter
Acre to Square Millimeter
Square Yard to Square Millimeter
Square Foot to Square Millimeter
Square Inch to Square Millimeter
Conversion Factors
1 mm²
1e-12 km²
1 mm²
1e-10 ha
1 mm²
1e-6 m²
1 mm²
0.01 cm²
1 mm²
3.8610215854e-13 mi²
1 mm²
2.4710538147e-10 acre
1 mm²
1.1959900463e-6 yd²
1 mm²
1.0763910417e-5 ft²
1 mm²
0.0015500031 in²