A 15,000-gallon pool has a volume of about 2,005 cubic feet.
A 15000 gallon pool could be about 25 FT. X 27 Ft. X 3 Ft. deep or a pool that has a diameter of 30 Ft. X 3 Ft. deep will hold 15,854 gallons of water.
2500 cubic feet.
It depends on how deep the water is over the area it covers. 1 gallon = 231 cubic inches. If the water is 1 inch deep, it can cover an area of 231 square inches. If it's 231 inches deep, it can only cover an area of 1 square inch.
there are 231 cubic inches in a gallon of water so there are 598.44 gallons of water in that size pool.
75 x 30 x 5 = 11,250 cubic foot 1 cubic foot = 7.48 Gallon (US) 1 cubic foot = 6.23 Gallon (Imperial) 11,250 x 7.48 = 84,150 Gallon (US) 11,250 x 6.23 = 70,087.5 Gallon (Imperial)
11*16*2.5 = 440 cubic feet. 440 cubic foot = 2 740.687 602 gallon [UK] 440 cubic foot = 3 291.428 571 4 gallon [US, liquid]
350
Genrally speaking water takes up 7.4 cubic foot per gallon; given that 30x30x1 is 900 cubic feet, then around 6,660 gallons.
One cubic mile of water has 1,000,000,000 gallons.
One US Gallon has 231 cubic inches, and the area that you've given is 36 cubic inches. So, 36/231 gallons is the exact answer, which is approximately .1558 gallons (15.6% of 1 gallon)
(12 x 24 x 4) x (1,728 cubic inches per cubic foot) / (231 cubic inches per gallon) = 8,617.6 gallons
You will need about 463 cubic yards (around 594 tons) of gravel for this area.