Wikipedia: 1km2

Difference (from prior minor revision) (no other diffs)

Added: 3a4,8

**1 km² = 10⁶ m² = 0.39 square miles.
**A square of this area has a size of 1 km.
**A cube of this area has a size of 408 m.
**A circle of this area has a radius of 564 m.
**A sphere of this area has a radius of 282 m.

Added: 4a10

To help compare sizes of different geographic regions, we list here areas between 1 km² and 10 km².

Areas smaller than 1 km²
- 1 km² = 10⁶ m² = 0.39 square miles.
- A square of this area has a size of 1 km.
- A cube of this area has a size of 408 m.
- A circle of this area has a radius of 564 m.
- A sphere of this area has a radius of 282 m.
Areas larger than 10 km²