• Areas smaller than 1 km²
• 1 km² is equal to:
  • 100 hectares
  • 10⁶ m²
  • 0.386 square miles.
  • 247 acres
  • the area of a square of side length 1 km
  • A cube with this surface area has sides of length 408 m.
  • A circle of this area has a radius of 564 m.
  • A sphere of this surface area has a radius of 282 m.
• 135 hectares -- the campus of the United States Naval Academy
• 195 hectares -- Monaco
• 200 hectares -- Herm, Channel Islands
• 320 hectares -- Hampstead Heath in London.
• 650 hectares -- Gibraltar
• 890 hectares -- size of largest organism on Earth, Armillaria ostoyae. Reference
• Areas larger than 10 km²

External link

• Conversion Calculator for Units of AREA