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Ideal Rise
Possible Rises



Remove Colour for Printing
Display scale rule to print and directly measure dimensions (top diagram only)
Left click, release and drag in top diagram to measure at scale





Label Diagram
Email this Calculation Creates a link (below) to save or Email current calculation









Total Run


< keys >
Angle
Calculated at
(2 * Rise) + Run
=


 
Total Rise must be greater than Headroom


 



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





Running Stringer Points (up stringer)
Mark-out

Running Stringer Points (up stringer)
Mark-out

Min stringer throat depth Check local building regulations for minimum stringer throat depth.
Enter 'Total Rise' of stairs, from lower floor to top of upper floor, allowing for floor coverings etc. Select 'Ideal Rise' from drop-down. The number of rises and actual rise is calculated to fit closest to selected ideal rise. After calculating and re-drawing stair plan diagram, a drop-down list of possible alternate rises is displayed. Select alternatives to re-calculate and display stair plan diagram.



Run options include:

Ideal Run - Use selected run to calculate total run.
Total Run - Calculate runs from total run entered.
Use Angle - Runs are calculated to suit entered stair angle.
Calculate Run - Runs are calculated by formula: Run = 630 - (rise * 2)

Add or subtract a single rise with the +Rise or -Rise buttons to re-calculate and re-draw stair diagram.

For concrete stairs, select 'Concrete Thickness' and enter the throat thickness (see diagram) and 'Stair Width' to calculate formwork dimensions and concrete volume. For wood stairs, select 'Stringer Width' and enter the width of the stringer.

To calculate and display upper floor opening and stair headroom, enter upper floor thickness, check the 'Headroom' check-box and select either the 'Headroom' or 'Floor Opening' radio button. Selecting 'Headroom' calculates upper floor opening from entered headroom. Selecting 'Floor Opening' calculates headroom from entered floor opening.
If your floor opening is unchangeable, select 'Floor Opening' and 'Use Total Run' to see if you can get an acceptable fit.

Save ink when printing Printing Tips: Uncheck 'Colour' to re-draw stair and stringer diagrams without colour for printing. This saves inkjet or toner cartridges. If you're having trouble printing with IE, try Firefox or Chrome. If the images don't fit on the page, select 'Print Preview' and set page to 'Landscape'. Set scale to fit page before printing.

Uncheck 'Restrict' to allow extreme stair dimensions. (eg: stairs on boats - pathway stairs on sloping ground etc)

Measure to Scale Check 'Scale Rule' checkbox to display a ruler at the same scale as upper diagram. Print (100% printer scale), cut and use this scale rule to measure dimensions directly from diagram. (top diagram only)

Follow Local Building Regulations Be sure to follow local building regulations regarding all stair dimensions.

Print Tickets Need to print numbered tickets? Design Tickets Free Online and Print on your Printer! Easy Step by Step Instructions. No Limits.

Use your iPad or Android Tablet On-Site Your iPad or Android Tablet is a valuable On-Site tool! Print Diagrams

Lay your tablet on an angle to directly measure angles and automatically enter them into Roofing and Pitch Angle Calculator Apps.


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Contact me - Greg Tarrant - Blocklayer.com Builders + Tradies Calculators
Contact

Greg Tarrant ph: Australia +61 7 40987645 - mob: 0438 165 753

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ALWAYS CHECK WITH YOUR LOCAL BUILDING AUTHORITY BEFORE LAYING OUT
OR BUILDING STAIRS, AND FOLLOW ALL LOCAL CODES


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