1/2ac = sq ft
H
ac = sq ft 1.0 = 43560 2.0 = 87120 3.0 = 130680 4.0 = 174240 5.0 = 217800 6.0 = 261360 7.0 = 304920 8.0 = 348480 9.0 = 392040
1/2 ac = 0.5 x 43560 sq ft
1/2 ac = 21780 sq ft