The stair calculator calculates stair rise and run, stair angle, stringer length, step height, tread depth, and the number of steps required for a given run of stairs.

This stair calculator computes stair parameters such as rise, total run, angle, and stringer length based on the height, run, tread, and headroom requirements.

Calculate the length of a stringer from the total rise, the number of risers and known run of one tread. To see the number of risers, divide the total rise by a riser height that works for you. For instance, …

Jul 31, 2025 · Use our Stringer Length Calculator to quickly determine the correct length of a stair stringer. Includes formulas, example, and step-by-step explanation for accurate stair construction.

Stair stringer length: It is the diagonal distance from the bottom step to the top step that supports the treads and risers in a staircase. It is calculated by using the total rise and total run of the stairs.

Tired of making multiple trips to the store? Use our stair and step calculator and get your total stinger length, riser dimensions, and more with Decks.com.

Free online stair calculator for accurate design. Calculate rise, run, angle, and stringer length. Perfect for architects, builders, contractors, and DIY projects.

Jun 18, 2024 · Measuring and cutting stair stringers for your own DIY deck or porch project may seem complicated, but the process is actually quite simple. Start by figuring out how high the stairs will …

From there it finds treads, total run, stringer length, and stair angle. Every result updates instantly as you type. You only need a few measurements to get started. Keep them simple and accurate for best …

We Will Teach You How To Cut and Install Stringers, Treads, Risers and Landing Parts So That You Can Assemble The Perfect Staircase.