it only depends on pressure at which the water flows into the gallon
615,142 gallons of water are needed to fill this cylinder.
It will take 5,104.1 gallons of water to fill this cylinder.
depending on water pressure about 6 hours
Fill a gallon bucket, timing how long it takes to do so. Then fill your hot tub using the same source... example: if you filled the bucket with a hose, then fill the tub using the same hose. Then time how long it takes to fill the tub and divide the time it takes to fill the tub by the time it takes to fill the bucket and then you know how many gallons it is.
4178 US gallons, approx.
1795 gallons, if you fill it to the brim.
598 Imperial gallons, approx.
That would completely depend on the flow rate from the source. There Is no standard answer to what your fill rate would be. If you calculate the mount of water coming from the hose by timing how long it takes to fill a 5 gallon bucket, then calculate the volume of the pool, you can then estimate how long the fill of the pool will take.
4400 gallons, or 4,398.24 gallon rounded off.
18,691.2 gallons if shallow end 4'
To calculate the volume of the tub in cubic inches, multiply the three dimensions (60 x 32 x 20). Then convert the volume to gallons by dividing by 231 (there are 231 cubic inches in a gallon). So, the tub would need approximately (60 x 32 x 20) / 231 gallons of water to fill up.
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.