With the tool s patented combination of locating wire and 3 4 radius indicator key finding the center of the rafter has never been easier or faster.
Roof rafter finder.
The length of the rafter.
Here the number is 941 86 inches.
Includes result for hip valley factor slope factor and the roof slope in degrees.
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.
Height of the scaffold.
If your tool continuously blinks and beeps it may be indicating calibration errors or a decrease in density.
Half building width minus 1 2 ridge thickness.
The rise of the rafter.
Just enter the dimensions of the roof rise and run to get started.
Things you ll need tape measure rubber mallet.
Start in normal stud.
Use the diagrams on this page as a reference when inputting rise and run and while interpreting the calculated results.
Don t assume the first indication of a rafter is.
The roof pitch calculator calculates slope pitch angle and rafter lengths based on input of rise m and run r.
Place a piece of thin cardboard over the irregular surface and slowly scan over the cardboard.
Allow for ridge thickness when determining rafter run to outer wall.
Here the number is 1166 66 inches.
Roof rise this should be calculated from the base of the roof to the highest point of the roof gable the peak.
Print full scale rafter cut templates and birdsmouth templates fold template over rafter to mark or cut through.
The run of the rafter.
See rafter run to outer wall calculator below.
Roof pitch calculator roof slope calculator the roof pitch calculator is a convenient online tool you can use to quickly assess the pitch of your roof to determine the length of rafters you need.
The results are automatically fired.
The chiptoolz rafter finder center line locator is the easiest way to find the center of a rafter ever.
If you re building rafters and aren t sure where to start when determining the length of your lumber you re in the right place our rafter stock size calculator shows you how long your rafters should be so you ll know what you need in terms of framing lumber dimensional lumber studs and more.
If you add an eaves overhang dimension then the amount the rafter sticks passed the wall will be added to the rafter length.