"square kilometers" in German square kilometers Quadratkilometer Detailed translations for "square kilometers" square kilometers square kilometers(also: square kilometres) Quadratkilometer{masculine plural} They've wiped out almost 30 square kilometers of forest just to make room for this place. Source: opensubtitles.org Corpus by OPUS Request review Die haben fast 30 Quadratkilometer Wald zerstört, nur um hierfür Platz zu schaffen.