How Do I Work Out The Pitch Of A Roof

Technically roof pitch is the ratio of total vertical roof height the rise to total horizontal distance from wall to wall the span.

How do i work out the pitch of a roof.

After finding out your roof pitch angles you can use the calculator to perform the calculations for you instead of doing them manually. If you are trying to learn how to measure roof pitch calculations accurately you should really consider the importance of using a calculator. Roof pitch calculator results explained. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement.

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. When you re arranging for repairs or roofing material your calculations will be way off if. 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.

First convert the pitch to a slope. Angle the angle of a roof is the same as the roof s slope except instead of being. Find the inverse tangent of the pitch to find the angle in degrees. 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.

Although most homeowners do not need to measure pitch it still pays to understand this term. 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. To find the angle of a roof in degrees convert the pitch to a slope then convert to degrees by finding the arc tangent of the slope. Check your results with the omni roof pitch calculator.

A 12 12 pitch roof has a pitch angle of 45. To do this simply convert the rise and run as a fraction to a decimal form eg. The maths bit the angle of your roof is calculated the same way you d work the angle of a right angled triangle. 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.

Rise run rise run slope. Marvel at your mathematical. If you prefer to work the angle out the traditional way without our handy calculator you can use the following equations to find the length of the rafter and the slope.