The volume is 94 US gallons.
You multiply the radius of the circle 0.5 (radius of a 1 inch pipe) by 3.14(pi) by the height of the pipe 12 inches which gives you 18.84ozs.
1 cubic foot equates to 6.2288 Imperial gallons.
1 cubic foot of water is 7.48052 US gallons.
325,900 gallons.
The radius of the pipe is 0.5 feet. The area of the cross-section is pi * r^2 = pi/4 feet^2 The volume is cross-section * length = (pi/4 foot^2) * 1 foot = pi/4 foot^3 There are roughly 7.481 gallons/cubic foot, so the pipe contains (7.481 gallons/(foot^3)) * (pi/4 foot^3) = 7.481 * pi / 4 gallons = 5.875 gallons (not exact)
7.48 gallons
One cubic foot = about 6.229 Imperial gallons.
About 24 gallons.
1 cubic foot = 7.48051945 US gallons
pi*r^2*h gives the volume of a foot long one inch pipe. Radius is 0.5 inches, height is 1 foot/12 inches. So the volume is 9.42 cubic inches. 9.42 (cubic inches) = 0.0407792208 US gallons
Volume of a cylinder = Pi x r2 x height cubic feet = 3.14 X (radius X radius) X depth 1 cubic foot = 7.48 gallons OR...... 13,529 gallons of water!