How To Figure Out The Pitch Of Your Roof

Place the end of your level the 0 inch point of your 12 marking against the roof surface.

How to figure out the pitch of your roof.

To accurately calculate the area of your roof you must first determine its slope or pitch. Roof pitch calculator results explained. The roof pitch is important in determining the appropriate installation method and how much roofing material will be needed. Homes and other buildings have roofs with slopes ranging from no slope or flat to very steep slopes.

Check your results with the omni roof pitch calculator. A 12 12 pitch roof has a pitch angle of 45. Knowing the pitch of your roof is useful when designing an addition installing skylights or cutting new rake boards. After measuring the slope estimate the roof pitch by dividing the slope by 2.

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. The rise is the height of the roof and the run is the horizontal span as pictured above. Here s an easy safe way to determine the pitch from inside your attic. How to calculate the pitch of a roof.

Angle the angle of a roof is the same as the roof s slope except instead of being. To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil. A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally. Before you calculate roof pitch you ll need to measure the slope of your roof.

The easiest way to do this is by accessing a rafter in your attic if you can. How roof pitch is calculated. Marvel at your mathematical. Find the inverse tangent of the pitch to find the angle in degrees.

To convert between american roofing ratios and pitch degrees follow these steps. Hold the level straight and level bubble centered and then measure the vertical distance down from the your 12 mark on the level down to the roof. The pitch is commonly defined as the ratio of rise over run in the form of x 12. For example if a roof has a pitch of 4 12 then for every 12 inches the building extends horizontally it rises 4 inches.

Divide the first part of the ratio by 12 to work out the pitch. Roof pitch is used to describe the slope or angle of the roof. How to measure roof pitch. The roof pitch calculator is a convenient online tool you can use to quickly assess the pitch of your roof to determine the length of rafters you need.

This is the amount your roof inclines in a 1 foot span or the pitch. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs.