What are the bathroom dimensions in inches according to standard design?

In standard bathroom design, the dimensions of 60" x 96" are widely considered effective for creating a functional and comfortable space. A width of 60 inches provides enough room for standard fixtures such as a vanity, toilet, and shower or bathtub, while still allowing for appropriate circulation space. The depth of 96 inches accommodates various layouts, ensuring that there is adequate room for both fixtures and movements in the bathroom, which is important for accessibility and usability.

These dimensions generally take into account the necessary spacing requirements for building codes and universal design principles, such as ensuring that entrances, exits, and fixture placements allow for ease of movement, including for individuals with disabilities. This also aligns with the typical dimensions used in many residential designs, helping to create a harmonious and efficient use of space.

The other options, while having their own merits, do not typically meet the comprehensive usability and flexibility that a standard bathroom size should provide.