It depends on how high you would like to fill it. You see, a liter is a 3-dimensional measure of volume (like a cubic foot is), and a square foot is a 2-dimensional measure of area.
So, for example, to fill an area of 10,500 square feet to a height of 1 foot, you would need 297,326.889 liters.
About 13,048.4 liters of water.
566.337 liters.
*
10' x 5' x 4' is 200 cubic feet which equates to 5,663.4 liters.
79.25 gallons or 10.59 cubic feet.
13.2, you need to buy 14.
600x300x7mm tiles fill a 20 feet container?
That depends on what depth you want to fill the pool to !
8x2x1=16
37.33 cubic feet
100
100