Stair layout tool

Stringer Calculator

Calculate riser count, riser height, tread depth, stair angle, plumb cut angle, and approximate stringer length from total rise and run.

Need code checks, a stringer drawing, and a printable cut sheet? Get the Stringer app for iPhone.

Stair dimensions

CutList

Optimize straight board cuts before buying lumber.

Open CutList

QuiltFit

Calculate quilt blocks, backing, batting, and binding.

Open QuiltFit

Related guides

Learn the method behind this calculator.