What is The depth of a stair tread is typically 12 inches?

The depth of a stair tread is typically 11 to 12 inches, providing enough space for a comfortable foot placement. This measurement helps ensure safety and stability when ascending or descending stairs. However, local building codes may have specific requirements, so it's always important to check regulations in a given area. Proper tread depth is crucial for preventing accidents and promoting ease of use.