Calculators - Estimators - Template Generators - Plans & Tools

Wall Length Rafter Thickness
Wall Width Rafter Depth
Roof Angle Hip Thickness
Overhang (level) Hip Depth
Birds-mouth or Chamfer Hip to drop level with common rafters Ridge Thickness
Ridge Depth
Rafter Spacing (Centres)
Include extra plan with running rafter placements for walls, ridge and hips Include running measurements plan for ridge, wall and hip placement Birdsmouth Seat Cut  Calculate Plumb and Seat cuts from roof angle
Email this Calculation Creates a link (below) to save or Email current calculation

Label Diagram

Use < and > keyboard keys to animate roof angle.

Rafter Detail
(new window)

Print rafter cutting templates, fold over rafter and cut through.

Birds-mouth Templates
Circular Saw Bevel Setting Hip and Creeper Side Cut Settings If using a Circular Saw or Compound Mitre saw, set saw bevel angle to 45° to obtain Creeper and Hip side angles.
With the saw bevel angle set to 45°, cutting hips and creepers at the plumb cut angle will produce correct side angles.
See Saw Mitre and Blade Angle Settings

Print full scale templates and fold over wood. Cut through template or place on compound mitre saw to set angles.

Optimum Creeper Length?
From the optimum creeper length you can cut 1st + last, 2nd + 2nd last, 3rd + 3rd last etc creepers.

Save, Email and Re-load Current Calculation Click 'Email this Calculation' (next to Calculate button) to display a shortened URL containing the current calculator input values. Click this link to send an Email, which once opened (on your tablet or phone?) will re-open this page with the saved calculator input and results. You can also copy (save) and paste the shortened URL directly into the browser address bar to re-load the saved calculation results anytime.

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

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.

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Contact me - Greg Tarrant - Builders + Tradies Calculators

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

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With angle of ° Close delete
If Plumb Cut = ?
If Seat Cut = ?