18
There are about 67.3 US gallons in that volume.
The volume is 36*68*31 = 75,888 cubic inches = 75,888 / (12*12*12) = 43.91667 cubic feet.
Convert everything to feet, then use the formula for the volume of a cylinder. Since the answer will be in cubic feet, you'll then have to convert it to gallons.
There are 12 inches in a foot, 12 inches X 12 feet = 144 inches.There are 12 inches in a foot, 12 inches X 12 feet = 144 inches.There are 12 inches in a foot, 12 inches X 12 feet = 144 inches.There are 12 inches in a foot, 12 inches X 12 feet = 144 inches.There are 12 inches in a foot, 12 inches X 12 feet = 144 inches.There are 12 inches in a foot, 12 inches X 12 feet = 144 inches.
A pipe that is 30 inches in diameter and 12 feet long has a volume of: 440.6 US gallons of water.
18
Volume: 30*15*12 = 5,400 cubic feet
A 100-foot pipe with an inside diameter of 12 inches has a maximum volume of about 78.54 gallons of water.
A hole 40 inches deep by 12 inches wide has a volume of: 2.62 cubic feet.
There are about 67.3 US gallons in that volume.
12
The volume is 36*68*31 = 75,888 cubic inches = 75,888 / (12*12*12) = 43.91667 cubic feet.
Convert everything to feet, then use the formula for the volume of a cylinder. Since the answer will be in cubic feet, you'll then have to convert it to gallons.
The number 1728 is used when converting cubic inches to cubic feet. Since there are 12 inches in a foot (12 x 12 x 12 = 1728), this conversion accounts for the volume in three dimensions when moving from cubic inches to cubic feet.
There are 12 inches in a foot, 12 inches X 12 feet = 144 inches.There are 12 inches in a foot, 12 inches X 12 feet = 144 inches.There are 12 inches in a foot, 12 inches X 12 feet = 144 inches.There are 12 inches in a foot, 12 inches X 12 feet = 144 inches.There are 12 inches in a foot, 12 inches X 12 feet = 144 inches.There are 12 inches in a foot, 12 inches X 12 feet = 144 inches.
A box that measures 1 foot by 1 foot by 1 foot has a volume of 1 cubic foot.The same box measures 12 inches by 12 inches by 12 inches. So, its volume in cubic inches is 12 X 12 X 12 = 1728.