Since 1 acre is 43,560 square feet, and 1 square foot is 144 square inches, 2 acres is:
43,560 ft2 / acre x 144 in2 / ft2 X 2 acre = 12,545,280 in2
1 acre = 6,272,640 in²
That would make it 24 inches squared so 24 X 24 = 576 inches.
2 acres = 8,712 ft²
87120 square ft. in 2 acres.