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TM
Common Rafter Length
point-to-point length of the Common rafter (excluding the overhang
Note: Run is half the Span.
KEYSTROKE DISPLAY
1. Find diagonal or point-to-point length of the Common rafter:
o o 0.
7 i p PTCH 7 inch
1 4 f 4 i ÷ 2 = 7 feet 2 inch
R RUN 7 feet 2 inch
d DIAG 8 feet 3-9/16 inch
2. Find Plumb and Level cuts:
d PLMB 30.26°
d LEVL 59.74°
Note: The Common rafter calculation is the "point-to-point" length and does not
include the overhang or ridge adjustment.
Common Rafter Length —
Find the common rafter length for a roof with a rise of 6 Feet
Degrees and in Inches.
KEYSTROKE DISPLAY
Find Diagonal and Pitch:
o o 0.
6 f 1 1 i 1 / 2 r RISE 6 feet 11-1/2 inch
1 4 f 6 i R RUN 14 feet 6 inch
d DIAG 16 feet 1 inch
p PTCH 5-3/4 inch
p PTCH 25.64°
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