Typical shower dimensions range from 75x75 cm / 29.5"x29.5" to 90x120 cm / 35.4"x47.2", with options for standard or custom sizes based on the bathroom layout.
The range between minimal and spacious bathtub dimensions is roughly 70x150 cm / 27.6"x59.1" to 90x180 cm / 35.4"x70.9". Different bathtub typologies include free-standing, corner bathtubs, Jacuzzi, and classic bathtubs.
Sink dimensions and typologies vary widely:
A Monoblock toilet size is roughly 75x60 cm / 29.5"x23.6". A floating toilet size is approximately 35x50 cm / 13.8"x19.7", with a basin installed in the wall behind it that ranges between 7-20 cm / 2.8"-7.9". Both types of toilets must be coordinated carefully with the plumbing and wall structure. The toilet should always be centralized in an 80 cm / 31.5" clearance space.
The size of a toilet paper holder is between 10x12 cm / 3.9"x4.7" and 22x13 cm 8.7"x5.1".