157,8 mm² = (a)   cm²

320 cm² = (a)   dm²

6,77 m² = (a)   cm²

2300 dam² = (a)   km²

100 000 cm² = (a)   m²

0,345 dm² = (a)   mm²

0,0023 km² = (a)   m²

0,375 m² = (a)   mm²

50 000 cm² = (a)   dam²