If you pull the plug,.........none. Need the width of the tub for complete calculation. Are these interior measurements? If tub is 18 inches deep, is that to the top or to the overflow drain?
300 gallons
Depends on the bathtub.
1 cubic inch is 0.004329 US gallons.
About 208.292013 gallons of water.
30.55 gallons (rounded) for every inch the water in the tub is deep.
14.7 gallons of water.
111 gallons of water.
100 feet of 3-inch pipe holds 36.73 gallons of water.
Volume of the pipe = 4.896 gallons
There need not be any water in the pipe.Assuming that it is a 10 inch diameter pipe, then its capacity is 4.08 US gallons.
Depends on the size of the tub. Not all tubs are the same size.
1.6 gallons of water.