Use our online stair calculator to work out stair parameters such as rise, run, angle and stringer length for your next home improvement project.

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. For convenience and flexibility, this stair stringer calculator comes in two forms: automatic and manual .

3D Stair calculator with diagram and dimensions can help to building — try easy to use interactive staircase design tool (builder) with 3D and SVG.

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 stair rise run stringers head-room and upper floor opening dimensions - Wood and concrete stairs - Inch

Simple and free stair tool can be used to estimate rise, run, going, angle and more.

Professional online stair calculators for accurate measurements, design, and construction. Easily calculate stair angles, stringer lengths, rise, run, and more for deck, indoor, and commercial stairs. Free, user-friendly tools for architects, builders, and DIY enthusiasts.

Our comprehensive staircase calculator, complete with detailed drawings, helps you address every nuance to design the perfect staircase for your home. The online staircase calculator will help you calculate any type of staircase structure to the second floor without special knowledge.

Mar 11, 2025 · A stair calculator with diagram helps architects, builders, and DIY enthusiasts design safe and comfortable stairs by calculating optimal riser and tread dimensions. It visualizes the staircase structure, ensuring compliance with building codes (e.g., 7.75" max riser height).

Try it, experiment, and get ready-made Diagrams. Straight staircase calculator can be used to estimate measurements and create detailed plans. This simple tool allows you to calculate rise, run, treads, stringers parameters.