Acre to Square Kilometer Conversion Result

Acre: (ac) is a unit of area commonly used in the Imperial and U.S. customary measurement systems. It is primarily used to measure land, farms, and real estate in countries like the United States, Canada, and the United Kingdom.

Interesting Facts:
  • A suburban house lot may range from 0.2 to 1 acre.
  • Central Park in New York City is 843 acres.
  • The largest ranch in the U.S. (King Ranch, Texas) is 825,000 acres


Square Kilometer: (km2) is a metric unit of area measurement commonly used to measure large land areas, such as cities, countries, forests, and lakes. It is part of the International System of Units (SI) and is widely used worldwide.

1 square kilometer (km2) = the area of a square with sides measuring 1 kilometer (1 km × 1 km).

Interesting Facts:
  • New York City covers about 1,200 km2
  • Paris has an area of about 105 km2
  • Yellowstone National Park (USA) covers 8,983 km2
  • Lake Superior on the border between Canada and the United States, the world's second largest lake, is 82,000 km2
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