Riserly Stair Calculator

Riserly is the fastest way to lay out a stair on the job site. Enter the total rise and everything updates instantly on a single screen, no Calculate button, no extra screens. SEE YOUR STAIR AS YOU TYPE A live, to-scale stair diagram redraws with every change: the real number of steps, the cut stringer, tread boards with nosing, the floor and the landing. Total rise, total run, riser, tread, angle and stringer length are labeled right on the drawing. ACCURATE, CARPENTER-FRIENDLY RESULTS - Whole number of risers, with the actual riser height recalculated so every step is equal - Bottom riser automatically reduced by the tread thickness - Total run, stringer height and stringer length - Stair angle and comfort formula (2R + T) - Below-landing or flush stringer mount - Feet, inches and sixteenths, like your tape measure, or metric IRC CODE CHECK Green, yellow and red indicators for riser…