To find the volume of a cylinder (in this case the pipe) we use the equation for the area of the end circle (pi*r^2) and multiply it by the length of the cylinder (h). This gives us the equation pi*r^2*h. Our radius is half the diameter (1.5 inches) and our height/length is 8 feet or 96 inches.
In our case this equates to pi*(1.5in)^2(96in)=216pi = 678.6in^3. Since there are 231 cubic inches in a gallon, there are 678.6/231 = 2.94 gallons of water in the pipe.
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111 gallons of water.
45.9 US gallons.
146.9 gallons of water.
This pipe can hold up to 0.5 cubic foot or 3.7 gallons of water.
The capacity of the tank is 12.468 gallons (rounded) for each inch the tank is long.