18 cubic feet
3 inches is 1/4 foot, so the volume is L x W x D = 8 x 9 x .25 = 18 cubic ft.
about 71 cubic metres of gravel i think
218.75 cubic feet or 8.1 cubic yards
nah
6,400 ft3
4 inches = 1/3 foot27 cubic feet = 1 cubic yardVolume = 80 x 1/3 x 1/3 = 88/9 cubic feet = 0.329 cubic yard (rounded)
about 71 cubic metres of gravel i think
218.75 cubic feet or 8.1 cubic yards
nah
Volume required = pi*r2*h = pi*32*16 = 452.4 cubic feet
6,400 ft3
4 inches = 1/3 foot27 cubic feet = 1 cubic yardVolume = 80 x 1/3 x 1/3 = 88/9 cubic feet = 0.329 cubic yard (rounded)
1 square foot = 144 square inches, so 100 square ft = 14400 sq inches. Multiply be 3 = 43200 cubic inches. I believe gravel is normally sold by the cubic yard. 1 cubic yard = (36 in)3 = 46656 cubic inches. So 43200/46656 = 0.926 cubic yards
cylinder 18 feet diameter x 1.5 feet deep volume = 381 cubic feet
33.5 cubic feet.
259.2593 sq. yards.
29.45 cubic feet or 183.45 US gallons.
885 gallons.