1 cubic inch is 0.004329 US gallons.
0.623 gallons in 144 cubic inches.
7.29 US gallons.
The space inside that container is 24" x 24" x 24" = 13,824 cubic inches. That's 59.844 gallons of space, whether or not there's anything in it. A gallon is not an amount of water or gasoline or anything else. It's an amount of space, just like a cubic inch or a cubic foot is.
First calculate the cubic inches, then convert to gallons. Volume=pir2h=3.1416x32X120=3393 cubic inches 3393 cubic inchesx0.00433 gallons/cubic inch=14.7 gallons
12 cubic feet of space = 89.766 gallons of space (rounded)
33x32.75x62.75=67817.06 cubic inch 1 cubic inches = 0.00432900433 gallons 67817.06x0.00432900433=293.58 gallons
One gallon of water equates to 231 cubic inches.There are 231 cubic inches in one gallon of water.
The space inside that container is (32 x 27 x 6) = 5,184 cubic inches = 22.4416 gallons (rounded)
There are 202 gallons in one cubic yard.
Let's calculate cubic feet first, then convert to gallons. Volume=pir2h=3.14159x0.252x3=0.59 cubic feet 0.59 cubic feetx7.48 gallons/cubic foot=4.4 gallons
ten gallons is about one and a third cubic feet, so I would say that 30 gallons is about 4 cubic feet