Roof Peak Angle Calculator

This free roof pitch calculator will take your roof width see the picture and rise the height of the roof and will calculate the roof pitch both as numeric value and as a degree.

Roof peak angle calculator.

Roof pitch is measured by rise run. This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof. Here are the steps to follow for the roof angle calculator. The distance from the top of a stud wall to the peak of the roof.

Use the diagrams on this page as a reference when inputting rise and run and while interpreting the calculated results. It always makes sense to the standard roof pitch angle spot on as the benefits of doing so are quite obvious. See the image below for more explanation on rise run and pitch. The total run is the distance from the peak to the edge of the roof which in this case is the total width divided in half which is equal to 10 feet or 120 inches.

First enter the value of the rise and choose the unit of measurement from the drop down menu. A 12 in 12 pitch is a steep 45 degree angle roof. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. Then enter the value of the run and choose the unit of measurement from the drop down menu.

If this isn t practical then perform the same measurement on the underside of the roof. Optionally you can use it as roof cost calculator if you also happen to know the average cost per square foot in your area. A 12 12 pitch roof has a pitch angle of 45. We included a roof pitch chart below the 7 12 example image and the calculator below that.

Find the inverse tangent of the pitch to find the angle in degrees. If your goal is to only calculate the roof height do not enter any numbers in wall height field and only use building width and roof pitch fields. The roof pitch calculator calculates slope pitch angle and rafter lengths based on input of rise m and run r. With the help of these roof pitch degree calculator programs you can make sure that your home is nice and balanced.

To convert between american roofing ratios and pitch degrees follow these steps. If you want to know how to find the pitch of a roof then start with a calculator. Since pitch is the rise over a 12 inch run divide the run by 12 to get the multiplier in this case 120 12 10.