Help Printing Directory Metric or Imperial


Total Rise
Ideal Rise
Possible Rises




Stair Width

Tread Thickness
Riser Thickness
Nosing

Floor Thickness

Restrict extreme measurements, angles etc Link to Save - Email - Message - Current calculation Share this Calculation  

Select 'Use Total Run' above to lock Total Run and adjust individual Runs, or 'Use Ideal Run' to adjust Total Run and Angle
Head


Stair Calculator rise run stringer and head-room plan diagram with full dimensions
For concrete stairs, select Concrete Thickness and enter the throat thickness (see diagram) and Stair Width to calculate formwork dimensions and concrete volume.

For wooden stairs, select Stringer Width and enter the width of the stringer.

Direct measure dimensions in diagram Left click, release and drag to measure at full scale in top diagram

Click Stringer diagrams below to rotate to stair angle or level.

Stair Calculator - housed stringer diagram with full dimensions
Running Stringer Points (up stringer)
Mark-out

Stair Calculator - notched Stringer diagram with full dimensions
Running Stringer Points (up stringer)
Mark-out
Framing Square and Stair Gauges Measure, mark and cut a template, or use a Framing Square with Stair Gauges to mark out Stringer Notches.

Running Measurements Vertically - Lower Floor to top of each tread (Possible landing heights - Blue = middle)





To calculate and display upper floor opening and stair head-room, enter upper floor thickness, check the Show Head-room check-box and drag the Head slider to calculate and animate diagram head-room and floor opening.
To fine tune, click slider to select then use keyboard cursor keys.



DON'T BREATH THE DUST If you're cutting concrete, stone or ANYTHING and there's DUST - DON'T TAKE THE RISK
Don't cut it, or cut it wet so there's NO DUST - Silicosis Sucks

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Create PDF to print diagrams on this page (for templates) Printing Help Printing Help (new window)

Copy all diagrams on this page to bottom of page - Make multiple copies to Print or Compare. Image Library

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Check relevant local regulations for appropriate sizes, spacings and all engineering requirements.


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To fine tune Slider Controls click to select then use keyboard cursor keys.


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