From total rise and target riser and tread sizes, get step count, exact riser height, total run, and stair angle—ideal for deck stairs, interior runs, and quick checks before you cut.
Understand the layout at a glance with stair diagrams, elevation and plan views for straight and landing configurations, plus interactive 3D previews and full-screen mode for detail.
Output stringer length for framing, then upgrade for L-shape, U-shape, and spiral workflows, PDF export, project history, adjustable tread thickness, stringer cut diagrams, and an ad-free experience.
