| 1 km² = 1000000000000 mm² |
| 2 km² = 2000000000000 mm² |
| 3 km² = 3000000000000 mm² |
| 4 km² = 4000000000000 mm² |
| 5 km² = 5000000000000 mm² |
| 6 km² = 6000000000000 mm² |
| 7 km² = 7000000000000 mm² |
| 8 km² = 8000000000000 mm² |
| 9 km² = 9000000000000 mm² |
| 10 km² = 10000000000000 mm² |
| 15 km² = 15000000000000 mm² |
| 50 km² = 50000000000000 mm² |
| 100 km² = 100000000000000 mm² |
| 500 km² = 500000000000000 mm² |
| 1000 km² = 1000000000000000 mm² |
| 5000 km² = 5000000000000000 mm² |
| 10000 km² = 10000000000000000 mm² |