How many gallons would this be?

nonono... its listed on their site, the dimensions. Just multiply them.
 
Simple. The tank is 72 gallons, 16632^3. Just take 72 and multiply by 231.




The non-bow front part of the tank is 12x48x18, right? Thats 44 gallons. That means the bow part is 28 gallons. The length of it is 48" and the height is 18" that means the bow is 7.45" deep.

Thats 10368 for the non bow part, and another 6436 for the bow.

Comes out to ~16800.
 
I can do that if you find me X, Y, and Z (inches):
xyz.jpg
 
Its not that easy... you have to remember that it is normally over-marketed. There are other variables also... though if everything was perfect and exact your method would work. Find me those measurements and i can find you your near-exact in^3.
 
I screwed up my calculations somewhere cuz i am getting... 10054 cubic inches... which is wrong.
 
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