involved_007 wrote:please help me convert my 18 foot by 4 foot deep pool into gallons...
1) Volume of a cylinder:
V = (pi/4)*d*d*h = 0.785*18*18*4 = 1018 cu ft
2) A cubic foot is 1728 cubic inches, and a gallon is 231 cu in, so 7.48 gallons per cubic foot
7614 gallons.
You need to use the inside diameter, and actual depth of water, not height of side, so this could be off a little.