Legal Unit of Measurement
1 square kilometer (km) = 100 hectares (hm) = 247.1 acres (acre) = 0.386 square miles (mile)
p>1 square meter (m) = 10.764 square feet (ft) 1 are (are) = 100 square meters (m)
1 hectare (hm)=15 mu=1hm2=10000 Square meter (m) = 2.471 acres (acre) = 0.01 square kilometers (where h represents 100 meters, and hm2 means the square of 100 meters)
1 square mile (mile) = 2.590 square kilometers ( km)
1 acre (acre)= 0.4047 hectares (ha)= 4.047×10 square kilometers (km)= 4047 square meters (m)
1 square foot (ft)= 0.093 square meters (m) 1 square inch (in) = 6.452 square centimeters (cm)
1 square yard (yd) = 0.8361 square meters (m)
1 mu=2000 /3 square meters ≈ 666.666 square meters
Municipal measurement unit
1 square mile=22500 square feet
1 square foot =100 square feet
1 square foot=100 square inches
1 square inch=100 square cents
1 square minute=100 square centimeters
1 square centimeter = 100 square millimetres
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