Stair Tangent for iPhone

Example calculated output from StairTangent for Locked Stair Stringer Tread Width

StairTangent
Locked Stair Stringer Tread Width
Number of Risers  18
Number of Treads  17
Total Height of Stairs  126 1/2''in
Riser Height  7 ''in
Tread Width  11  ''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

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
Tread #9  117 1/2''in
Tread #10  130 9/16''in
Tread #11  143 9/16''in
Tread #12  156 5/8''in
Tread #13  169 11/16''in
Tread #14  182 3/4''in
Tread #15  195 13/16''in
Tread #16  208 7/8''in
Tread #17  221 15/16''in


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