| Monikko | square kilometers |
US standard spelling of square kilometre.
The square kilometre (red square) compared to other areas, including a square mile (the entire yellow square)
US standard spelling of square kilometre.
Part of an Ordnance Survey map, published 1952. The grid lines are at one-kilometre intervals, giving each square an area of one square kilometre. The map shows that the area of the island is about two square kilometres.
US standard spelling of square kilometre.
Map of Delft, Netherlands, dated 1659. The walls enclosed an area of about 1 square kilometre.