Staircase Calculator

Stair Layout

No. of risers	17
No. of treads	16
Actual riser height	7.06 in
Tread depth	10.00 in
Going (horizontal length)	13.33 ft
Slope	35.2°

Comfortable residential range: riser 6"–7.5", tread 10"–12". 2R + T = 24–25" rule of thumb.