This will depend on how you are filling it. Are you filling it with a water hose, or having the water delivered by a tank truck? A water hose would take a relatively longer amount of time, whereas a tank truck would be much quicker.
4500 gallons
4500 US Gallons
around 4500 gallons
My pool which is a small to medium sized pool took about 2 days.
A 15 f by 48 in pool holds approximately 4500 gallons of water.
30,000 gallons.
48,000 gallons of water
15000waypoint / 1600gallons/h = Time9.375 hours
Pool capacity in gallons divided by fill time in hours equals fill rate in gallons per hour (gal / hr = gal/hr).
Gallons
1795 gallons, if you fill it to the brim.
To fill in this size pool you'll need 100.5 cubic yards of material. If you mean how many gallons of water to fill the pool, you'd need 20,300 gallons of water to fully fill it.