Units of measurement
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Calculations
Are (a)
Hectare (ha)
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Information
Are (a)
An are (a) is a unit of area measurement equal to 100 m² (10×10 m). It is used in agriculture and cadastral measurements.
Hectare (ha)
A hectare (ha) is widely used in agriculture and land registry, equal to 10,000 m² (100×100 m).