Area units calculator & converter tool
Mm2 Conversions Table
Equivalent of 4 mm2 (Square milimeter): |
4.0E-6 m2 (Square meter) |
0.04 cm2 (Square centimeter) |
0.0004 dm2 (Square decimeter) |
4.0E-12 km2 (Square Kilometer) |
4.0E-10 Hectare |
4.0E-8 Are |
4.0E-9 Decare |
4.0E-6 Centiare |
1.17002E-9 Arpent |
0.004 Barn |
4.30556E-5 Square feet |
9.8842E-10 Acre |
1.581476E-7 Square perche |
1.5444E-12 Square mil |
4.78396E-6 Square yard |
0.006200018510385 Square inch |
4.292E-14 Canton |
6.176E-12 Homestead |
3.9536E-9 Rood |
Mm2 / Pouce2 Units Definition
mm2 (Square milimeter)
Unit of area measurement equal to a square with a side of one millimeter. Abbreviations: mm2, mm².
Square inch
A square inch (plural: square inches) is a unit of area, equal to the area of a square with sides of one inch.historic engineering drawings (number with a square & a double apostrophe, both as an exponent).The square inch is a common unit of measurement in the United States and the United Kingdom. A common unit of pressure, pound per square inch (psi) is derived from this unit of area.