Area units calculator & converter tool
Mm2 Conversions Table
Equivalent of 19 mm2 (Square milimeter): |
1.9E-5 m2 (Square meter) |
0.19 cm2 (Square centimeter) |
0.0019 dm2 (Square decimeter) |
1.9E-11 km2 (Square Kilometer) |
1.9E-9 Hectare |
1.9E-7 Are |
1.9E-8 Decare |
1.9E-5 Centiare |
5.557595E-9 Arpent |
0.019 Barn |
0.0002045141 Square feet |
4.694995E-9 Acre |
7.512011E-7 Square perche |
7.3359E-12 Square mil |
2.272381E-5 Square yard |
0.029450087924329 Square inch |
2.0387E-13 Canton |
2.9336E-11 Homestead |
1.87796E-8 Rood |
Mm2 / Dm2 Units Definition
mm2 (Square milimeter)
Unit of area measurement equal to a square with a side of one millimeter. Abbreviations: mm2, mm².
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.