9000 sqft
15 x 15 = 225 sqft, each paver is 1 sqft so 225.
13,760 sqft = 1,278.34m2
144 sqft is 13.378 sqm
1.80$ per sqft
600 sqft/ton so 2 1/2 ton
$9.75/sqft
750,000 gal.
Volume = 900 sqft * 1/12 ft = 75 cubic feet.
80.0 Sqft
7.48 gallons in 1 sqft sooo... .13 sqft in a gallon of water but i dont see how this is useful.
There is not enough info here to provide an answer. Would need the ambient room conditions along with an accurate load calculation for the room.