How Do I Measure My Roof Pitch

Roof pitch is used to describe the slope or angle of the roof.

How do i measure my roof pitch.

Marvel at your mathematical. How to measure roof pitch. Roof pitch refers to the slope which the rafter creates. The roof pitch is important in determining the appropriate installation method and how much roofing material will be needed.

Find the inverse tangent of the pitch to find the angle in degrees. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs. When you re arranging for repairs or roofing material your calculations will be way off if. To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil.

Check your results with the omni roof pitch calculator. To measure a roof start by measuring the length and width of the building s exterior walls and multiplying them to get the area. Knowing the pitch of your roof is useful when designing an addition installing skylights or cutting new rake boards. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement.

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 calculator results explained. A 12 12 pitch roof has a pitch angle of 45. Then calculate the pitch of the roof by placing a level against it angling the level so the bubble is centered and measuring the distance between the end of the level and the roof.

How roof pitch is calculated. Angle the angle of a roof is the same as the roof s slope except instead of being. Although most homeowners do not need to measure pitch it still pays to understand this term. A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally.

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. To accurately calculate the area of your roof you must first determine its slope or pitch. Here s an easy safe way to determine the pitch from inside your attic. To convert between american roofing ratios and pitch degrees follow these steps.

Divide the first part of the ratio by 12 to work out the pitch. How do you calculate a roof pitch. Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot.