How To Work Out The Pitch Of Your Roof

Pitch is the incline of the roof represented as the ratio of rise to the span twice the run.

How to work out the pitch of your roof. The overhang of a rafter at the end of the roof. Then enter the value of the run and choose the unit of measurement from the drop down menu. Roof pitch is used to describe the slope or angle of the roof. Measure the rise of your roof.

Rafter rise run 1 5 6 2 25 36 38 25rafter 38 25 6 18 m. Place one end of a carpenter s level against the underside of the. Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot.

Even if you want to use a flat roof pitch calculator system you will be able to find one. Here s an easy safe way to determine the pitch from inside your attic. For example if the roof rises 4 feet and the span is 16 feet twice the run then the pitch is 4 16 or 1 4. Any of the following will give you a good measurement 1 x research source a rafter in the attic.

Here are the steps to follow for the roof angle calculator. The roof pitch is important in determining the appropriate installation method and how much roofing material will be needed. Calculate the rafter length substituting these values into the following formula. Measuring from the underside of the roof is usually the most accurate way to find the slope since there is no roofing material to make an uneven surface.

Calculate the roof pitch as the proportion of rise and run. This free roof pitch calculator will take your roof width see the picture and rise the height of the roof and will calculate the roof pitch both as numeric value and as a degree. Pitch rise run 1 5 6 25. Let s say it is equal to 1 5 m.

It always makes sense to the standard roof pitch angle spot on as the benefits of doing so are quite obvious. With the help of these roof pitch degree calculator programs you can make sure that your home is nice and balanced. Optionally you can use it as roof cost calculator if you also happen to know the average cost per square foot in your area. A barge rafter at the side of the gable step 2 position a level against the underside of the rafter.

First measure 12 inches from one end of the level and make a mark. To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil. Finally enter the value of the rafter length and.