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The main Navigation tabs at top of each page are Metric - inputs in millimeters (mm)
For Inch versions, directly under the main tab is a smaller 'Inch' tab for the Feet and Inch version.
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♻ 		Hip Roof
Metric 		Gable Roof
Metric 		Lean-to Roof
Metric 		Gambrel
Metric 		Rafters
Metric 		Soffit
Drop 		Bullnose
Roof 		Pitch to
Angle 		Measure
Pitch 		Square Tail
Fascia 		Rafter
Templates
Directory Inch Inch Inch Inch Inch Inch Inch Angles Rise-Run Bevel Gauge Sheathing

Skillion Lean-to Roof Framing Calculator - With Running Setout Points - Inch

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From outside of wall to outside of wall (long side)
Wall Length 		Rafter Thickness
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From outside of wall to outside of wall (short side)
Wall Width 		Rafter Depth
Wall Thick
Wall Height
Exact Rafter Spacing
Roof Angle °   : 12
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Exact Spacing keeps entered spacing and adjusts 2 end spaces if necessary
(Lean-to)
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Equal Spacing adjusts to nearest UNDER or equal to entered spacing
Overhang Lower End Rafters Set-in
Overhang Upper Birdsmouth Seat
? Birdsmouth Seat Cut




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Skillion roof framing calculator plan diagram with full dimensions


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Skillion roof rafter detail diagram with all dimensions and birds mouths

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Skillion Lean-to roof profile diagram





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Inch or Metric? 👈
The main Navigation tabs at top of each page are Metric - inputs in millimeters (mm)
Directly under the main tab is a smaller 'Inch' tab for the Feet and Inch version.
Drop Down Menus have M for Metric Versions.
Metric
Calculator
Inch



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