Neliökilometriä
Neliökilometriä is the plural form of neliökilometri, the Finnish word for square kilometer. A square kilometer is a unit of area in the metric system, defined as the area of a square with sides of one kilometer in length. It is a standard international unit of measurement. One square kilometer is equivalent to 1,000,000 square meters. It is also equal to approximately 0.3861 square miles. The neliökilometri is commonly used for measuring land areas, such as the size of countries, cities, provinces, or geographical features like lakes and forests. For instance, the area of Finland is approximately 338,424 neliökilometriä. Smaller areas are typically measured in square meters, while larger astronomical distances might be expressed in square light-years.