1.78 ft2
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256 ft2
16x16 ft = 256 square feet = 36,864 square inches.
1 square foot = 12 x 12 = 144 square inches 1 square inch = 1/12 x 12 = 1/144 square foot ---- 16 x 16 = 256 square feet 256 square feet = 256 x 12 x 12 = 36864 square inches
21 feet and 4 inches
6 inches = 0.5 feet 256 square feet * 0.5 = 128 cubic feet There are 27 cubit feet in a cubic yard (3 feet x 3 feet x 3 feet), so 128 cubic feet = 4.741 cubic yards.