Roof - Rafters length

Not Reviewed
Equation / Last modified by AndrewBudd on 2018/02/05 18:58
Rating
ID
KurtHeckman.Roof - Rafters length
UUID
e6d25625-da27-11e2-8e97-bc764e04d25f

The Rafter Length calculator computes the length RoofRafterslength-illustration.png  Gabled Roof with Raftersof the rafters based on the length (run) .

INSTRUCTIONS: Choose your preferred units and enter the following:

  • (L)  This is the horizontal length of the run (see diagram)
  • (P) This is the pitch of the roof (choose one)

Rafter Length: The rafter length is returned in feet.  However this can be automatically converted to other units via the pull-down menu.

General Information

The length of the run is measured horizontally from the outer wall to the vertical point below the apex of the roof. 

See Also:
  • To compute the number of 4x8s needed for a roof, CLICK HERE.
  • To compute the number of bundles of shingles needed for a roof, CLICK HERE.
  • To compute the number of trusses needed for a roof, CLICK HERE.
  • To compute the pitch of a roof, CLICK HERE.