Convert metric units of area

Metric units of area

1 cm² = 10 mm × 10 mm = 100 mm²
1 dm² = 10 cm × 10 cm = 100 cm²

1 m² = 10 dm × 10 dm = 100 dm² = 10000 cm²
1 km² = 1000 m × 1000 m = 1000000 m²