Hip Roof Framing Calculator - With Rafter Angle Cutting Templates and Setout Plans - Metric
For a good straight fascia, add an extra 20 mm or so to the tails of all your rafters (total length).
After they're up, you can snap a line to mark and trim the tails in a nice straight line, to make up for any ridge warp or marking, cutting and fixing errors.
Left click, release then drag to measure at scale in diagram below
If using a Circular Saw or Compound Miter 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 Miter and Blade Angle Settings
Set Bevel Gauge from this page with your Phone.
- Enlarge diagram scale for more accurate measurements.
To mark and cut hip plumb and side cuts with a circular saw
- Print a Paper Template
(easy + accurate) - OR:
Mark the end plumb cut angle line
back from square) on both sides of the hip. This is the pointy end of the hip. (Don't cut yet)
from this line and mark a second, parallel line on both sides of the hip. (This is the line to cut along)
Set circular saw blade tilt angle to 45°
, cut 1 side along second line, with blade tilted toward pointy end, then flip and cut other side the same.
Print and cut full scale paper templates - fold over wood to mark and cut angles (easy)
Show Adjustments for Dutch Gable
Optimum Creeper Length?
From the optimum creeper length
you can cut 1st + last, 2nd + 2nd last, 3rd + 3rd last etc creepers.
Click Email this Calculation
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.
If you're cutting blocks, 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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(Australia) +61 7 40987645 m: 0438 165 753
All calculators on this site are geometric only.
Check relevant local regulations for appropriate sizes, spacings and all engineering requirements.
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