Free straight stair calculator, Treads on stringers or closed stringer staircase for building stairs and determining its dimensions (stringers, steps, angles, rise, run.
Professional L-shaped staircase calculator with drawings to easy find stringer length, landing dimensions, landing height, steps rise and run.
Professional L-Shaped Winder staircase calculator with drawings to easy find stringer length, Tread dimensions, steps rise and run.
Professional U-Shaped Winder staircase calculator with drawings to easy find stringer length, Tread dimensions, steps rise and run.
Professional U-shaped staircase calculator with drawings to easy find stringer length, landing dimensions, landing height, steps rise and run.
Professional Wrap Around staircase calculator, Great for deck stairs. With drawings to easy find every stringer length, steps rise and run.
Professional Spiral-helical staircase calculator with drawings to easy find inner and outer stringer length, tread dimensions, steps rise and run.
Professional C-Shaped Winder staircase calculator with drawings to easy find stringer length, Tread dimensions, steps rise and run.
Professional Baluster Spacing Calculator, on stair steps or on an angle.