What Size Is the Average Bathroom?

By Staff WriterLast Updated Mar 29, 2020 3:43:04 PM ET
Martin Barraud/OJO Images/Getty Images

A typical bathroom is about 40 square feet, which is big enough to accommodate a standard bathtub, sink, and toilet. At least 10 more square feet are needed if a standalone shower is included. Most North American houses built before 1980 had bathrooms that were 40 square feet or less.