Question 270006
how many gallons are in a container that is 64 inches in diameter and 12 feet long? 
---------
Area of base = (pi)*32^2 = 3217 sq. in
Base area * length = 463247 cu in. = 2005.398 gallons
----
There are many conversion sites online.  Search for gallons to cubic inches.
=============================================================================
Cheers,
Stan H.