Bathtub
A bathtub, seen from above, with the drain at one end.
Easily confused with
How to read it
The Army's print-reading manual labels the bathtub symbol BATH. The Navy's Utilitiesman course lists recessed, corner recessed, sunken and leg types, 1.2 to 1.8 m (4 to 6 ft) long.
Also searched as: bath, tub.
This explains what a symbol represents on a drawing. Conventions vary between firms and standards, and a drawing's own legend takes precedence.
Look-alikes
A shower is a square or rectangle with the drain in the middle of the floor.
Read next
More blueprint symbols
The same shape elsewhere
Browse symbols drawn with squares and rectangles.
Sources
- Construction Print Reading in the Field, TM 5-704 / AFM 85-27, Departments of the Army and the Air Force, para. 3-8d; fig. 3-8
- Utilitiesman Basic, NAVEDTRA 14265A, Naval Education and Training Command, U.S. Navy, ch. 1, sec. 1.3.2; ch. 6, sec. 1.6.0
- Reading Architects' Blueprints, William S. Lowndes, 1922, International Textbook Company, Scranton (Internet Archive), §6, art. 13
Researched, edited and approved by Rory Hansen before publishing. Last reviewed September 24, 2026. How we research
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