Area
Area is the size of a surface. Area is measured in square units: millimetres (mm2), square centimetres (cm2), square decimetres (dm2), square metres (m2) and square kilometres (km2).
The Area of the Plot of Land
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1m² – 1dm² – 1cm² – 1mm²
1m² = 100 dm²
1dm² = 100 cm²
1cm² = 100 mm²
1m² = 10 000 cm² 1 square metre = 10 000 square centimetres
1ha = 10 000 m² 1 hectare = 10 000 square metres
1km² = 100ha 1 square kilometre = 100 hectares
1a =100 m² 1 are = 100 square metre
Imperial/Customary Units – Area
144 square inches = 1 square foot
9 square feet = 1 square yard
4,840 square yards = 1 acre
640 acres = 1 square mile