What Is My Roof Pitch

In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches.

What is my roof pitch.

Technically roof pitch is the ratio of total vertical roof height the rise to total horizontal distance from wall to wall the span. It always makes sense to the standard roof pitch angle spot on as the benefits of doing so are quite obvious. A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally. To accurately calculate the area of your roof you must first determine its slope or pitch.

For example if you used a 24 inch level and your measurement was 12 inches the pitch in your roof is 6 in 12. This means if a roof rises 4 in the length of 12 your roof pitch would be 4 12 or 18 43 degrees. If you want to know how to find the pitch of a roof then start with a calculator. Roof pitch and corresponding angles.

On blue prints architects engineers usually display the pitch of a roof in the format shown on the image where number 4 represents a rise and number 12 represents a length. Roof pitch varies depending on culture climate style and available materials. The picture below shows the pitch of a 7 12 roof slope meaning that for 12 of horizontal measurement roof run the vertical measurement roof rise is 7. Roof pitch is expressed as a ratio of the amount of the roof s vertical rise over a corresponding horizontal distance called the run pitch is written assuming a run of a foot or 12 inches so the ratio describes how much the roof rises for every foot of its run.

Divide the results by the number of 12 inch segments in your level. Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot. In the usa the range of standard pitches is anywhere between 4 12 and 9 12. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs.

Even if you want to use a flat roof. With the help of these roof pitch degree calculator programs you can make sure that your home is nice and balanced. Pitch is thus the ratio of the rise in inches to a 12 inch run and is often expressed using a semicolon for example 6 12. A a roof with a 6 rise for every 12 run has a 6 per foot or 6 in 12 pitch.

X research source although most homeowners do not need to measure pitch it still pays to understand this term. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. In the uk the typical house has a pitch between 40 50 although 45 should be avoided. It is often compared to slope but is not exactly the same.