Převod km² na mm² cm² dm² m² a ha acre sq in sq ft sq yd mile²:
1 km², čtvereční kilometr:
| 1 km² = | 1000000000000 | mm² |
| 1 km² = | 10000000000 | cm² |
| 1 km² = | 100000000 | dm² |
| 1 km² = | 1000000 | m² |
| 1 km² = | 10000 | a |
| 1 km² = | 100 | ha |
| 1 km² = | 247,10538146717 | acre |
| 1 km² = | 1550003100,0062 | sq in |
| 1 km² = | 10763910,41671 | sq ft |
| 1 km² = | 1195990,0463011 | sq yd |
| 1 km² = | 0,38610215854245 | mile² |