10 12 Roof Pitch Rafter Length

Area span on the flat please enter area span on the flat in foot.

10 12 roof pitch rafter length.

We ll be building a 4 12 pitch roof with an 8 span with 1 of overhang. Includes result for hip valley factor slope factor and the roof slope in degrees. Calculate the length of your rafters. There is no standard universal pitch of roof.

With this set of specs we are looking at a rafter length of 5 3. The results are automatically fired. Our roof we will be constructing will be 4 12. 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.

The run of the rafter. Slope the slope of a roof is represented as x 12 where x is the number of inches in rise for every 12 inches of run this is very useful information for many purposes especially for roof framing the slope sometimes called pitch is calibrated on speed squares. Click the button to calculate the stock size needed for this job. 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.

A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally. The most common roof pitch is designed with a pitch ranging from 4 12 to 9 12. Calculate the length of a rafter from the roof slope ratio of inches per foot and a building width measurement. Rise and run means that a 6 12 pitch roof has 6 of rise vertical for each foot of run horizontal.

For example a roof that rises 6 inches for every 12 inches of horizontal run has a 6 12 pitch. Angle the angle of a roof is the same as the roof s slope except instead of being. This calculator is to be used as an estimating tool only. The rise of the rafter.

It varies depending on culture climate style and available materials. Roof pitch calculator results explained. To accurately calculate the area of your roof you must first determine its slope or pitch. More they usually claim that 4 12 is the lowest you can go without any special underlayment.

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. 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. Roof base length width how roof pitch is calculated. The length of the rafter.

If you add an eaves overhang dimension then the amount the rafter sticks passed the wall will be added to the rafter length. Just enter the dimensions of the roof rise and run to get started.