Square Kilometer (km2)
The square kilometer is a unit of area, used for country sizes, city areas, national park extents, and forest coverage. Its symbol is km2.
km2
ft2
1 square kilometer equals
| Square Feet | 10,763,900 ft2 |
| Square Meters | 1,000,000 m2 |
| Acres | 247.105 ac |
| Hectares | 100 ha |
About the square kilometer
The square kilometer naturally followed from the kilometer as a convenient unit for geographic areas. It equals 100 hectares or 1 million square meters.
In everyday use the square kilometer appears in country sizes, city areas, national park extents, and forest coverage. As a point of reference: manhattan has an area of about 59 square kilometers.