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Stair Planning Guides

Get your stair dimensions right the first time

Short, practical guides for the decisions that stall most stair projects: rise and run, headroom, comfort, and layout selection.

Stair CalculationsComfortPlanningLayoutsWorkflowRenovation

Stair Calculations

How to Calculate Stair Rise and Run

A practical guide to calculating stair riser height, going, pitch, and total run before you build.

6 min read

Comfort

Using the Blondel Formula for Comfortable Stairs

Learn what the Blondel formula means and how to use it to balance riser height and tread depth.

5 min read

Stair Comfort Grade Explained

What a stair comfort score can tell you and where human judgment still matters.

4 min read

Planning

Stair Headroom: What to Check Before Building

How to think about stair headroom, floor openings, slab thickness, and common layout mistakes.

6 min read

Common Stair Design Mistakes to Avoid

Frequent staircase planning mistakes around step count, headroom, openings, and layout assumptions.

6 min read

Layouts

Straight vs Quarter-Turn Stairs: Choosing a Layout

Compare straight and quarter-turn staircases for compact rooms, landings, comfort, and circulation.

5 min read

Planning a Half-Turn Staircase

Key dimensions to check when designing a 180-degree half-turn staircase with two flights.

5 min read

Workflow

What to Include in a Staircase PDF Export

A checklist for producing a useful staircase PDF for review, quoting, or early planning.

4 min read

Why Shareable Stair Design URLs Matter

How URL-based stair designs make collaboration easier without accounts or project databases.

4 min read

Renovation

Stair Measurements to Take Before a Renovation

The essential room, opening, and floor measurements to collect before redesigning a staircase.

6 min read

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