The average stair width in america is about 36″ wide which is actually the minimum according to most building codes. Though the entire 36″ isn’t used, it is enough to account for handrails which can take up a few inches. A railing can take up anywhere from 2-5inches each.
How Wide Is a Standard Staircase?
A standard staircase is an important feature of many homes, buildings, and other structures. The width of a standard staircase will depend on several factors, including the building‘s code requirements, the intended use of the staircase, and the amount of space available.
In general, a standard staircase is typically between 36 and 42 inches wide, though the exact size may vary according to a number of factors.
When building or remodeling a home, the first step is to check the building codes for your area. These codes will provide the minimum dimensions for staircases within your jurisdiction.
In general, the minimum width for a standard staircase is 36 inches, though larger dimensions may be required for certain situations.
For example, larger dimension staircases may be required for wheelchair access or for staircases that lead to an upper floor.
After determining the minimum width, the next step is to consider how the staircase will be used. If the staircase is intended for use by multiple people at once, then a wider width may be necessary.
For example, a staircase that leads to a family room or other high–traffic area may need to be at least 42 inches wide to accommodate multiple people. On the other hand, a staircase that leads to a spare bedroom or other small–tra