I cubic foot of water has 7.48 gallons....I use 7.5 for easier math in my head. If you are dividing by 231 than you are multiplying by inches and not feet. Either way works.
I purchased a 1995 24' Suntracker Party barge and was wondering if someone knows the capacity of the fuel tank?[/QUOTE If you got a gauge ck it for how much is showing, then fill it up,do a little math should get you capacity.