20 inches = 1.667 ft, cross section area = 2.183 sq ft, 75 ft long makes 163.71 cu ft
1 foot = 12 inch 2.674 cubic feet = 2.674 x 12 x 12 x12 = 4620.672 cubic inches
1 acre = 4,840 square yards = 4,840 x 9 square feet = 43,560 square feet. 1 square foot 1 inch thick equals 1/12 of a cubic foot, so 43,560 square feet 1 inch thick equal 1/12 x 43,560= 3,630 cubic feet.
Volume = 8*4*8/12 = 21.33... cubic feet = 0.604 cubic metres.
There are 144 square inches in a square foot and 1.728 cubic inches in a cubic foot. So you have 7,776 square inches and that would give you 7,776 cubic inches. That would be 4.5 cubic feet.
No. 27 cubic feet = 1 cubic yard 30 cubic feet = 1.111 cubic yard (rounded) 270 cubic feet = 10 cubic yard
Answering "How many Cubic feet are in a 5.5 inch pipe inside 50 feet long?"
A 16-inch diameter tube that is 200 feet long has a volume of: 279 cubic feet.
172.78 cubic feet.
2,181.66 cubic feet.
7.854 cubic feet.
5.3 cubic feet.
A 4-inch diameter pipe that is 3,000 feet long has a volume of: 261.8 cubic feet.
A 6-inch diameter pipe that is 16 feet long has a volume of: 3.14 cubic feet
1.3962634 cubic feet Nominal
10 cubic feet
An 8-inch pipe that is 16,800 feet long has a volume of: 5,860 cubic feet (43,835.8 liquid gallons).
4054.5