you need to find how many inches the 4 feet are then you multiply that by .04 and you have your answer, 2.4 inches
0.72 of one inch
i think you have to be about 5 or 4feet tall.
to be a smart alec none its a hole but the volume of he hole is 64 sqft
4 feet 5 inches
he will probably grow 5"2.
6 x 5 x 4 = 120 cubic feet.
8
22
4feet
4feet
56 in.
4feet