Stair Calculator

Planning helper for total rise, target riser height, and tread depth — not a code compliance tool.

Free · No limits · Runs in your browser

How to use

  1. 1Enter total rise in meters.
  2. 2Enter target riser height and tread depth in mm.
  3. 3Review counts and lengths.

Frequently asked questions

Building code?
Always verify local rise/run, headroom, and guard rules.
Landings?
Not modeled — add landing runs manually.

Engineering: Discipline-based calculators for fluids, electrical, HVAC, structures, and more — browser-first, with clear assumptions.

Loading...