269.3 gallons.
(3 ft) * (3 ft) * (2 ft) = 18 ft^318 (feet^3) = 134.649351 US gallons
5 ft x 3 ft x 3 ft = 45 ft3 1 ft3 ~= 7.481 gallons 45 ft3 * 7.481 gallons/ft3 ~= 336.6 gallons
About 2,550 gallons.
561.0390 gallons 5x5x3=75 75x7.48051948(gallons in a cubic foot)=561.0390
1436 US gallons, approx.
About 3,983 gallons.
565.5 ft^3 * 7.480519 gallons per ft^3 = 4230 gallons
Approximately 8,887 gallons.
25000 gallons
Make your question more clearly...
11(11)(2) ft^3 X 7.48 gal/ft^3 = 1810.16 gal
For one coat, assuming smooth walls, windows,and door, you need 3 gallons