The Rafter Length calculator computes the length Gabled Roof with Raftersof the rafters based on the length (run) .
INSTRUCTIONS: Choose your preferred units and enter the following:
Rafter Length: The rafter length is returned in feet. However this can be automatically converted to other units via the pull-down menu.
The length of the run is measured horizontally from the outer wall to the vertical point below the apex of the roof.