How many gallons of water in an average size household bathtub?

Answer:
about 100-150 gallons

Another opinion

75 - 80 gallons


Your bathtub may be bigger than mine. So, measure length times width times depth of the water and multply by 7.5 to get the amount of gallons in your tub... or any other vessel.
Contributor: NevaStressinLove
First answer by Bozidar. Last edit by NevaStressinLove. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 2 [recommend question].