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Third grade mathematics area unit conversion
The third grade math area unit conversion is as follows:

1 ha = 1 10,000 m2

1 m2 = 100 square decimeter

1 square decimeter = 100 square centimeter

1 cm2 = 100 mm2

Other area unit conversion:

Metric system:

1 cm2 = 100 mm2 =0. 1550 in2.

1 square meter = 10000 square centimeter = 1. 1960 square yard.

1 hectare =15mu =10000m2.

1 mu = 666.67m2.

1 ha =10000m2 = 2.445438+0 1 mu.

1 square kilometer = 100 hectare = 0.385438+0 square mile.

English system:

1 square inch =6.45 16 square centimeter

1 square foot = 144 square inch =0.0929 square meter.

1 square yard =9 square feet =0.836 1 square meter

1 acre = 4,840 square yards = 4,046.86 square meters

1 square mile =640 acres =259.0 hectares