Units of measurement
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Hektar (ha)
Quadratkilometer (km²)
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Information
Hektar (ha)
A hectare (ha) is widely used in agriculture and land registry, equal to 10,000 m² (100×100 m).
Quadratkilometer (km²)
A square kilometer (km²) is used for measuring large areas, such as cities, forests, and countries. One km² equals 1,000,000 m².