Stair Tangent for iPhone

Example calculated output from StairTangent for Stair Landing Height

StairTangent
Stair Landing Height
Number of Risers  18
Number of Treads  17
Total Height of Stairs  126 1/2''in
Riser Height  7 ''in
Tread Width  11  ''in
Number of Treads to Landing  8  ''in
Number of Landing Treads  1  ''in
Total Run of Stairs  187  ''in
Total Stringer Diagonal  221 15/16''in
Stringer Tread Diagonal  13 1/16''in
Stair Slope Angle  32.57406°
Stringer Depth  11 7/8''in
Stringer Throat Depth  5 15/16''in
Total Bottom Stringer Diagonal  104 7/16''in
Bottom Stringer Tread Count  8
Total Top Stringer Diagonal  104 7/16''in
Top Stringer Tread Count  8
Top of Stair Landing (subfloor-landing subfloor)  63 1/4''in

Bottom Stringer Cumulative Diagonals
    
Tread #1  13 1/16''in
Tread #2  26 1/8''in
Tread #3  39 3/16''in
Tread #4  52 3/16''in
Tread #5  65 1/4''in
Tread #6  78 5/16''in
Tread #7  91 3/8''in
Tread #8  104 7/16''in

Top Stringer Cumulative Diagonals  
Tread #1  13 1/16''in
Tread #2  26 1/8''in
Tread #3  39 3/16''in
Tread #4  52 3/16''in
Tread #5  65 1/4''in
Tread #6  78 5/16''in
Tread #7  91 3/8''in
Tread #8  104 7/16''in


Sent from my iPhone