Gable Roof Rafter Calculator

See rafter run to outer wall calculator below.

Gable roof rafter calculator.

Trusses can be constructed with smaller sized lumber than rafters and often their cost is not significantly higher than normal rafters. If you add an eaves overhang dimension then the amount the rafter sticks passed the wall will be added to the rafter length. Allow for ridge thickness when determining rafter run to outer wall. Use of manufactured roof trusses can dramatically cut labor costs when framing a gable roof compared to building rafters.

The results are automatically fired. The preview window displays a dimensioned side view of the gable roof. In the select dimensions you need to make the roof by selecting appropriate units of measurement. To calculate a gable roof select gable from the roof type dropdown list or click on the corresponding button on the toolbar to calculate a gable roof.

To get all data from gable roof calculator you need to measure and enter in the appropriate fields following sizes. Gable roof framing calculator plan diagram with full dimensions for a good straight fascia add an extra inch or 2 to the tails of all your rafters total length. Use the diagrams on this page as a reference when inputting rise and run and while interpreting the calculated results. 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.

The image clearly shows all the options you want. 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. The roof pitch calculator calculates slope pitch angle and rafter lengths based on input of rise m and run r.

Prices are based on quotes from multiple lumber yards and building material suppliers. Half building width minus 1 2 ridge thickness. Roof rafter calculator will estimate the length board size quantity cost per board and total cost of lumber. The calculator provides online calculate the length of rafters a gable roof.

The calculation of the shed roof rafters run another calculator. Print full scale rafter cut templates and birdsmouth templates fold template over rafter to mark or cut through.