Area units calculator & converter tool
M2 Conversions Table
Equivalent of 4 m2 (Square meter): |
40000 cm2 (Square centimeter) |
400 dm2 (Square decimeter) |
4000000 mm2 (Square milimeter) |
4.0E-6 km2 (Square Kilometer) |
0.0004 Hectare |
0.04 Are |
0.004 Decare |
4 Centiare |
0.00117002 Arpent |
4000 Barn |
43.0556 Square feet |
0.00098842 Acre |
0.1581476 Square perche |
1.5444E-6 Square mil |
4.78396 Square yard |
6200.018510385 Square inch |
4.292E-8 Canton |
6.176E-6 Homestead |
0.0039536 Rood |
M2 / Dm2 Units Definition
m2 (Square meter)
The square meter, also called meter squared, is the unit of area of the International Standardized System (SI). The symbol for square meter is m2. Less formally, the square meter is sometimes abbreviated to m2.1 square meter is equal to the area of a square whose sides measure 1 meter.
dm2 (Square decimeter)
Therefore, a square decimeter (or "square decimeter" in British spelling) is one tenth of a square meter. It can also be expressed by ten square centimeters. A rough example of a decimeter could be the average surface area of some smartphone screens.