Shed Roof Rafter Calculator

Print full scale rafter cut templates and birdsmouth templates fold template over rafter to mark or cut through.

Shed roof rafter calculator.

Rafter length calculator calculate the length of a rafter from the roof slope ratio of inches per foot and a building width measurement. This calculator helps you make the rafters of the suitable sizes required for your roofing. Input the rafter span on the flat eave overhang and pitch of the roof. 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.

The program will calculate the parameters and the length of the rafters of a shed roof length of the rafters length overhang the angle of the saw cut the distance to drinking. Click the button to calculate the stock size needed for this job. Allow for ridge thickness when determining rafter run to outer wall. Half building width minus 1 2 ridge thickness.

Rafter is a sloping beam usually wood that supports a pitched roof. In other words if there is a 1 1 2 ridge board nailed into the wall and the width of the lean to is 96 then the run will be 94 1 2 96 1 1 2 94 1 2. This calculator is to be used as an estimating tool only. Dimensions and area of a shed roof materials quantity for it the roof angle pitch.

The preview window displays a dimensioned side view of the shed roof. See rafter run to outer wall calculator below. The calculator provides online calculation of the rafters for shed roof according to your original dimensions. Online rafter length calculator calculate the length of common rafters with this free and easy online tool by entering a dimension for the roof width selecting a pitch for the roof and the thickness of the ridge.

If you add an eaves overhang dimension then the amount the rafter sticks passed the wall will be added to the rafter length. 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. 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.

The results are automatically fired.