I have a fuel tank 51x28x12 inches deep need to know how many gallons of fuel it holds ?

Question

I have a fuel tank 51x28x12 inches deep need to know how many gallons of fuel it holds ?

Answer 1

I think there is 231 cubic inches in a gallon so it would be 74.181818 gallons or 277.42 cubic inches in an Imperial gallon giving you 67.769158 Imperial gallons

Answer 2

basis your measurements an not taking in account stell thickness:

51" x 28" x 12" = 17,136 cubic inches

so i would say about 74 US Gallons

or 280 liters

Answer 3

231 cu in in a gallon, you can do the rest

Answer 4

Look in the owners manual. If you don't have it call a boat store where they sell your boat.