pole barn kits come standard with pre-engineered trusses but building rafters is another viable DIY option for smaller span structures.
Our roof rafter calculator tools are handy for calculating the number of rafters needed, rafter length calculator, lineal feet of rafter, board feed in ridge and sub-facia,and the total board feet in the roof.
Rise and Run means that a 6/12 pitch roof has 6" of rise (vertical) for each foot of run (horizontal).
Rise / Run (in)
|Approx Slope (degrees)|
|Get exact slope using our Roof Pitch Calculator.|
How to Enter Widths
|24 Feet 6 inches||24 6|
|24 Feet 6 & 1/2 inches||24 6 1/2|