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Wall Length Rafter Thickness
Wall Width Rafter Depth
Roof Angle Enter angle in degrees directly or select pitch from dropdowns to calculate and enter angle °   in 12 Ridge Thickness
Overhang (level) Ridge Depth
Overhang Gable Rafter Spacing
Birdsmouth Seat   Calculate Plumb and Seat cuts + HAP from roof angle Rafter Spacing Type
End Rafter Setin
Label Diagram

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



When you return to this page
the last saved calculation is re-loaded.

Actual Physical Sizes All measurements are actual physical finished sizes.






All running measurements are 'and on', from start point to near side of rafter.

Running Ridge: Mark out


Running Wall: Mark out

Angle




Bevel Gauge Setter

Need these calculations on-site? Try the site with an iPad or Android Tablet. With a tablet, you can directly measure angles for input to the Roofing and Pitch Angle calculator apps. Lay the tablet on an incline and tap to measure angle. Tap again to capture angle and auto calculate roof, pitch, angles etc. The buttons appear automatically when you visit with a device capable of pitch measurement.





Print large images over multiple pages How to Print Large Template Images over Multiple Pages . . . Printing to Scale Help and Plan Printing.

Slider Controls To fine tune Slider Controls click to select and use (cursor) keyboard keys.

Open new window containing only diagram images in current page. Create PDF files.

Use your iPad or Android Tablet On-Site Your iPad, iPhone or Android Tablet or Phone is a valuable On-Site tool!
Lay your phone or tablet on an angled surface (roof ?) to directly measure angles and automatically calculate Roofing and Pitch Angle Apps.

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Blue Dragon Childrens Foundation




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Greg Tarrant - blocklayer.com - 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 ANYTHING
AND FOLLOW ALL LOCAL CODES. VERIFY ALL DIMENSIONS AND ANGLES BEFORE CONSTRUCTION


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