Square Kilometer

km²

Commonly Used Scientific Unit

The square kilometer is used for measuring large geographic areas such as cities, regions, and countries. One square kilometer equals 100 hectares.

Quick Converter

1 km2 = cm2

Controls display format. Very small or very large numbers will be shown in scientific notation (e.g., 1.5e-6).

Square Kilometer (km²)

The square kilometer is used for measuring large geographic areas such as cities, regions, and countries. One square kilometer equals 100 hectares.

Characteristics

  • Metric system unit
  • 1 km² = 1,000,000 m²
  • 1 km² = 100 hectares
  • Common in: geographic areas, country sizes, city planning

Conversions

  • 1 km² = 1,000,000 m²
  • 1 km² = 100 hectares
  • 1 km² = 0.386102 square miles
  • 1 km² = 247.105 acres
  • 1 km² = 1.19599 square miles (approximately)
  • 2.58999 km² = 1 square mile

Related Units

Used In Regions

EU International Geographic
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