How To Figure Slope Of A Roof

How to calculate the pitch of a roof.

How to figure slope of a roof.

Roof pitch is used to describe the slope or angle of the roof. For example if your tape measure found a 6 inch vertical distance to the 12 inch mark on your level the slope is 6 12 or 6 in 12. 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. It is often compared to slope but is not exactly the same.

A 4 12 is a roof slope that rises by 4 inches for every 12 inches across. When you want to replace or repair your roof you need to know about the slop of the roof the reason for this is the simple fact that roof slope can affect the overall cost of replacing or repairing the roof. This forms an angle of 18 5 between the horizontal section and the roof and creates a gentle incline that is seen as a midpoint between a low pitch and medium pitch roof. Either way let s see how you can calculate the slope of a roof without using a roof slope calculator.

Homes and other buildings have roofs with slopes ranging from no slope or flat to very steep slopes. Calculate the roof slope. The most precise way to find the roof s slope is by measuring it from the underside. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.

If you are trying to learn how to measure roof pitch calculations accurately you should really consider the importance of using a calculator. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs. Angle the angle of a roof is the same as the roof s slope except instead of being. The roof pitch is important in determining the appropriate installation method and how much roofing material will be needed.

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. Write the roof slope as the ratio of rise over run or vertical distance over horizontal distance. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. If you are trying hard to work out how to figure roof pitch measurements the calculator takes away all of those problems for you more or less instantly.

There are a number of ways that you can calculate the roof slope of your home and you need to be aware of this. 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. To accurately calculate the area of your roof you must first determine its slope or pitch. Outside of the u s a degree angle is typically used.

Measuring the slope from the rafters.