This is the 10429th most frequent German word.
quadratkilometer
Square kilometer.
In this sentence, 'quadratkilometer' is used in a quantitative context to describe the size of a geographical area.
Das Gebiet des Nationalparks erstreckt sich über 500 Quadratkilometer.
The area of the national park spans over 500 square kilometers.
Here, 'quadratkilometer' is part of a mathematical concept to explain unit conversion between square kilometers and square meters.
Ein Quadratkilometer enthält eine Million Quadratmeter.
A square kilometer contains one million square meters.
In this statement, 'quadratkilometer' indicates the planned area size for an urban development project.