The volume of the pipe is V=PI*(r ^2)*h V=3.14*(7.5"^2)*1" = 176.714 in^3. There is 231 cubic inches in a gallon. 176.714 in^3/231 in^3 = 0.765 Gallons.
1 cubic inch is 0.004329 US gallons.
if you meant to ask "how many gallons of water do you add to 15 gallons of liquid if you add 100 gallons per quart of liquid" you need to add 6,000 gallons of water
About 5,310 gallons.
About 208.292013 gallons of water.
30.55 gallons (rounded) for every inch the water in the tub is deep.
111 gallons of water.
14.7 gallons of water.
100 feet of 3-inch pipe holds 36.73 gallons of water.
Volume of the pipe = 4.896 gallons
There need not be any water in the pipe.Assuming that it is a 10 inch diameter pipe, then its capacity is 4.08 US gallons.
225
1.6 gallons of water.