Question: what are the standard dimensions of a bathtub?
Answer: Common or standard dimensions for a freestanding bathtub are: 60 inches long (5ft), 30 inches wide (2.5ft) with 19 inches of water depth (1.89ft). Small freestanding bathtubs can run 55 inches long(4.58ft), 27 inches wide (2.25ft) with a water depth of 15(1.25ft).