For the size in gallons for a rectangular aquarium, the formula is: (Length x Width x Height) divided by 231
So, 30 x 12 x 12 = 4320/231 = 18.7
I'd call it a 20 gallon tank, rounding up.
30 x 12 x 15 inches equals 5,400 cubic inches. This equates to 23.38 gallons.
If you mean inches, the tank will hold up to 29.6 gallons.
If you mean 12x12x12 feet, the total volume would be 12,926.34 US gallons of water.
That is approximately 32,313.6 US gallons.
We need depth to calculate that
I think the answer is 27. 9 boxes of 4x4x4 on 3 levels inside a 12x12x12 box
264.172 gallons.
1,260 pounds of water is about 151 gallons of water.
Multiply by (12x12x12)
44,260 gallons of water.
360' gallons of water!!!!!!!
58,168.52 gallons.
42 gallons.
About 15,360 gallons.
There is about four gallons of water in an average bucket of water.
1728
448.8 US gallons of water.