How Do I Figure Roof Pitch

Homes and other buildings have roofs with slopes ranging from no slope or flat to very steep slopes.

How do i figure roof pitch.

Roof pitch calculator results explained. How do you calculate a roof pitch. Check your results with the omni roof pitch calculator. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs.

Roof pitch is used to describe the slope or angle of the roof. To convert between american roofing ratios and pitch degrees follow these steps. Before you calculate roof pitch you ll need to measure the slope of your roof. Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run.

First measure 12 inches from one end of the level and make a mark. It is often compared to slope but is not exactly the same. Find the inverse tangent of the pitch to find the angle in degrees. 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.

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. A 12 12 pitch roof has a pitch angle of 45. Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level.

The easiest way to do this is by accessing a rafter in your attic if you can. How to calculate the pitch of a roof. Divide the first part of the ratio by 12 to work out the pitch. Often you express roof pitch as the ratio between the rise and the run in the form of.

Roof pitch refers to the amount of rise a roof has compared to the horizontal measurement of the roof called the run. 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. Here s an easy safe way to determine the pitch from inside your attic. To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil.

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 refers to the slope which the rafter creates. To see how pitch impacts the look of a garage and changes cost click the design center button on our pole barn kits page. After measuring the slope estimate the roof pitch by dividing the slope by 2.

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.