| 1 km² = | 1000000000000 mm² |
| 1 km² = | 10000000000 cm² |
| 1 km² = | 1550003100.00620 sq in |
| 1 km² = | 100000000 dm² |
| 1 km² = | 10763910.417 sq ft |
| 1 km² = | 1195990.0463 sq yd |
| 1 km² = | 1000000 m² |
| 1 km² = | 10000 a |
| 1 km² = | 247.105 acre |
| 1 km² = | 100 ha |
| 1 km² = | 0.386 sq mi |
| 1 km² = | 1000000000000 mm² |
| 1 km² = | 10000000000 cm² |
| 1 km² = | 1550003100.00620 sq in |
| 1 km² = | 100000000 dm² |
| 1 km² = | 10763910.417 sq ft |
| 1 km² = | 1195990.0463 sq yd |
| 1 km² = | 1000000 m² |
| 1 km² = | 10000 a |
| 1 km² = | 247.105 acre |
| 1 km² = | 100 ha |
| 1 km² = | 0.386 sq mi |