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Stair Section - The stair calculator can be used for calculating the rise and run of a set of stairs, as well as other important details of stringer layout ...

Typical Stringer

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Important notes on stair design and dimensions. Useful diagram to help when redesigning or building a new staircase.

Steep stair example: rise r = 12" run R = 4" r+

Mike Guertin's ProHOME adjusted dimensions: rise r = 8" run R = 9 1/4" r+R = 17 1/4" (good) 2r+R = 25 1/4"" (almost perfect) → stairs will be comfortable

Any stairs! Indoor, outdoor. Are you familiar with the 'Stairs Formula'? Great article!

Deck Stair Calculator

José Tomás Franco

Watch This Video before Purchasing Premade Stair Stringers - Consumer Information - YouTube

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stair rise run code stair risers code stair run calculator stair treads and risers intended for

Theoretical stair design (C) Daniel Friedman

IRC code limit stair: rise r = 7 3/4" run R =

Learn how to calculate and layout a set of stairs in this Stair Layout Primer!

Stair Calculations by Direct Layout on the Stringer

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TYPICAL residential STAIR PLAN DRAWING - Google Search Concrete Stairs, Wood Stairs, House Stairs

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The layout of our storage stairs inside our tiny house

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Theoretical stair design (C) Daniel Friedman

Schematic example. Image © José Tomás Franco

How To Calculate Stairway Risers - Stair Construction And Design - YouTube

How To Build and Frame Stairs with Landings - YouTube

5-Step Pressure-Treated Pine Stair Stringer

How to Calculate the Floor Space Needed to Install a Stairway | Home Guides | SF Gate

How to calculate Quantity of Staircase| Design of Staircase |

Stair Treads and Risers Building Code Update - 2012 International Building Code - YouTube

Calculation of Stairs, and their Main Elements – Architecture Admirers

Building Stairs - How to build stairs and calculate stair stringers. It will also show

Stair construction can intimidate even the most seasoned carpenters and there are lots of ways to build stairs. But regardless of the method you choose, ...

Stair Stringer Diagram

Stair Calculator

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How to convert a stair aingle to rise & run using tangent (C) Daniel

How To Measure And Cut Stair Stringers

Stair Calculator This is an online tool for calculating the stair parameters based on the height and run.

How to Calculate Spiral Staircase Dimensions and Designs, © Matheus Pereira

The final dimensions of our storage stairs

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21x21 cm / Schematic example. Image © José Tomás Franco

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If you've done the math (it's grade-school stuff) and the layout right, the tread cuts will be level and the riser cuts plumb.

Stair Calculator. Stair Calculator Results

Shallow stair example: rise r = 4" run R = 14" r+R = 18" (perfect) 2r+R = 22" (too low) → won't be comfortable

How to calculate (I-stair) straight staircase steps in Urdu/Hindi

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28x18 cm / Schematic example. Image © José Tomás Franco

Steps

How To Calculate Stair Tre And Risers Photos Freezer

Designing a New Staircase

How To Design Storage Stairs For Your Tiny House

Minimum Stairway Ceiling Height - Building Codes And Accident Prevention - YouTube

Watch This Video Before Trying to Fit Stairs in Small Spaces

Stair Calculator - Full Plans

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More on Stairs:

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Add the smaller boxes, one by one, to complete the stairs.

How To Figure Length of Stair Stringer – Construction Math

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Stairbuilding rise, run, slope, angle & step calculations

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Tiny House Stairs vs Ladders

Remarkable stairway in Oxaca (C) Daniel Friedman at InspectApedia.com

Theoretical stair design (C) Daniel Friedman Calculate the Step Tread ...

Stair Calculator Results

Illustration of the Top of the Stringer.

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I've been building stairs inside homes and on decks for almost 30 years. There are lots of viable methods that avoid the pitfalls that lead to uneven risers ...

How to convert a stair aingle to rise & run using tangent (C) Daniel

In order to calculate all the dimensions of the ladder, one main selected (either

Treads form the top surface of each step, and risers are installed directly under the front lip of each tread. Some stairs don't have risers, ...

Half-round steps created by Jason Geiser and his crew at a home in Medina

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The Perfect Stair (in my opinion): rise r = 7" run R = 11" r+R = 18" (perfect) 2r+R = 25" (perfect) → Stair will be comfortable

29 Responses to “Curved Stairs: No Mystery, Just Simple Math”

Make Stairs

The equations we use to figure out the dimensions of our storage stairs

How to calculate the formwork for a concrete stair

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Taking on a project like basement stairs may seem simple enough, but for all the ways they're similar to ordinary stairs, there are a few key differences to ...