Area (Land!) Conversion Calculator

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Common Units of Area

Metric Units of Area
1 square centimeter (sq cm.)= 1/10,000 square meter
1 square decimeter (sq dm.) = 1/100 square meter
1 square meter (sq m; basic unit of area)
1 are (a) = 100 square meters
1 hectare (ha) = 10,000 square meters = 100 ares
1 square kilometer (sq km.) = 1,000,000 square meters

Conversion Factors for Units of Area
1 square inch = 6.45 square centimeters
1 square foot = 0.093 square meter
1 square yard = 0.84 square meter
1 acre = 0.405 hectare
1 square mile = 2.59 square kilometers
1 square centimeter = 0.155 square inch
1 square meter = 1.2 square yards = 10.8 square feet
1 hectare = 2.47 acres
1 square kilometer = 0.386 square mile

Common Units of Area (American and British)
1 square inch (sq in.) = 1/1,296 square yard = 1/144 square foot
1 square foot (sq ft) = 1/9 square yard = 144 square inches
1 square yard (sq yd; basic unit of area) = 9 square feet
1 square rod (sq rd) = 30 1/4 square yards
1 acre = 4,840 square yards = 160 square rods
1 square mile (sq mi) = 3,097,600 square yards = 640 acre