Roof Peak Angle Calculator

If you want to know how to find the pitch of a roof then start with a calculator.

Roof peak angle calculator.

This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof. Divide the first part of the ratio by 12 to work out the pitch. The roof pitch calculator calculates slope pitch angle and rafter lengths based on input of rise m and run r. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement.

To convert between american roofing ratios and pitch degrees follow these steps. First enter the value of the rise and choose the unit of measurement from the drop down menu. 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. Find the inverse tangent of the pitch to find the angle in degrees.

A 12 12 pitch roof has a pitch angle of 45. Roof pitch is measured by rise run. As a reminder please don t forget to add height of rafter thickness of roofing material and ridge vent to the number that you ll get using our calculator. See the image below for more explanation on rise run and pitch.

Then enter the value of the run and choose the unit of measurement from the drop down menu. A 12 in 12 pitch is a steep 45 degree angle roof. Explore a number of housing related calculators as well as hundreds of other calculators covering topics such as finance math health fitness and more. Optionally you can use it as roof cost calculator if you also happen to know the average cost per square foot in your area.

Use the diagrams on this page as a reference when inputting rise and run and while interpreting the calculated results. We included a roof pitch chart below the 7 12 example image and the calculator below that. With the help of these roof pitch degree calculator programs you can make sure that your home is nice and balanced. 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.

It always makes sense to the standard roof pitch angle spot on as the benefits of doing so are quite obvious. 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.