The calculator provides online calculation of the rafters for shed roof according to your original dimensions.
Rafter length calculator shed roof.
Rise and run means that a 6 12 pitch roof has 6 of rise vertical for each foot of run horizontal.
How to calculate a lean to rafter the run for a lean to shed rafter ending into a wall should account for the ridge board nailed into the wall where the tops of the rafters rest into.
To calculate a shed roof select shed from the roof type dropdown list or click on the corresponding button on the toolbar to calculate a shed roof.
If you add an eaves overhang dimension then the amount the rafter sticks passed the wall will be added to the rafter length.
Rafter length using pitch v r 2 sqrt 1 p 2 where v overhang r roof span p pitch use our online rafter length calculator to quickly compute the length of the shed roof rafter by entering the measurements of overhead length of roof span pitch or angle.
Rafter length calculator calculate the length of a rafter from the roof slope ratio of inches per foot and a building width measurement.
Includes result for hip valley factor slope factor and the roof slope in degrees.
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.