Calculate Individual Riser Height & Identify Problems — Calculate the Actual Riser Height
Part of project
How to Measure and Plan Treads for a Split-Level Staircase · Step 3 of 8
In this video
Using the total rise (105 inches), the video demonstrates calculating individual riser heights. If dividing 105 inches by 14 risers, each riser would be 7.5 inches, which is acceptable for most codes. However, if a designer attempts to fit 105 inches into 13 risers, each riser would be 8.076 inches. If the maximum allowed riser height is 8 inches, this calculated riser height would be 0.076 inches too high per riser, accumulating to almost a full inch off over the entire staircase (0.076 * 13 = 0.988 inches). This discrepancy, resulting from rounding, can cause code violations or an unsafe staircase. It emphasizes the need to be precise and not round off numbers prematurely.
Calculate Individual Riser Height & Identify Problems — Calculate the Actual Riser Height
Part of project
How to Measure and Plan Treads for a Split-Level Staircase · Step 3 of 8
In this video
Using the total rise (105 inches), the video demonstrates calculating individual riser heights. If dividing 105 inches by 14 risers, each riser would be 7.5 inches, which is acceptable for most codes. However, if a designer attempts to fit 105 inches into 13 risers, each riser would be 8.076 inches. If the maximum allowed riser height is 8 inches, this calculated riser height would be 0.076 inches too high per riser, accumulating to almost a full inch off over the entire staircase (0.076 * 13 = 0.988 inches). This discrepancy, resulting from rounding, can cause code violations or an unsafe staircase. It emphasizes the need to be precise and not round off numbers prematurely.