The hectare, often abbreviated to "ha", is a unit of measurement for areas and corresponds to 10,000 square meters or one square with a side length of 100 meters. The hectare is a key unit for measuring large areas, particularly in the fields of agriculture and forestry.

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Use of the hectare:

  • Agriculture: The hectare is the most commonly used unit to describe agricultural land, whether for fields, meadows or vineyards.
  • Forestry: In forestry, the area of woodland is also often expressed in hectares.
  • Urban planning: In the development of new housing estates or industrial zones, the total area is often calculated in hectares.
  • Nature conservation: Nature reserves or protected areas are often measured in hectares.

Conversion to other area units:

The hectare is directly related to the square meter, making conversion to other units of area straightforward:

  • Square kilometer (km²): One hectare equals 0.01 km².
  • Ar: One hectare is equal to 100 ares, as one ar is equal to 100 m².
  • Square meter (m²): One hectare corresponds to 10,000 m².
  • Square centimeter (cm²): One hectare is equal to 100,000,000 cm².
  • Square millimeter (mm²): One hectare is equal to 10,000,000,000 mm².

Due to its direct relationship to the square meter, it is the preferred unit for describing and calculating area in many regions and industries

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