Figuring Roof Pitch

Knowing the pitch of your roof is useful when designing an addition installing skylights or cutting new rake boards.

Figuring roof pitch.

If you can t get to your attic you can measure slope on your rooftop as long as it s safe to go up there. You can use the following equations to find the length of the rafter and the slope. Rise run pitch where pitch is expressed in percent. Angle the angle of a roof is the same as the roof s slope except instead of being.

Here s an easy safe way to determine the pitch from inside your attic. After measuring the slope estimate the roof pitch by dividing the slope by 2. You can assess this in two ways either as the roof pitch angles which the rafters make with the horizontal or the proportion between the run and the rise of the roof. Roof pitch calculator results explained.

Roof pitch refers to the slope which the rafter creates. How to measure roof pitch. How to calculate roof pitch. Roof pitch is used to describe the slope or angle of the roof.

How do you calculate a roof pitch. To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil. Often you express roof pitch as the ratio between the rise and the run in the form of. The easiest way to do this is by accessing a rafter in your attic if you can.

Generally roof pitch is calculated from the same formula that describes a right triangle. The roof pitch is important in determining the appropriate installation method and how much roofing material will be needed. Before you calculate roof pitch you ll need to measure the slope of your roof. Homes and other buildings have roofs with slopes ranging from no slope or flat to very steep slopes.