Most people use it to mean the steepness of the roof.
How to check roof pitch.
Find the inverse tangent of the pitch to find the angle in degrees.
Simply mark a level at 12 hold it perfectly level and measure from the roof surface to your 12 mark this.
First measure 12 inches from one end of the level and make a mark.
Example a the measurements are taken from on top of the roof.
This is the amount your roof inclines in a 1 foot span or the pitch of your roof.
Divide the first part of the ratio by 12 to work out the pitch.
To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil.
A 12 12 pitch roof has a pitch angle of 45.
The example to right shows 2 different ways to determine or calculate roof pitch also called roof slope.
Check your results with the omni roof pitch calculator.
The 7 means that the roof rises 7 for every 12 it runs.
Marvel at your mathematical.
Some carpenters consider it more correct to use the term slope for the steepness and use pitch to describe the roof s overall dimensions.
Place the end of your level the 0 inch point of your 12 marking against the roof surface.
To convert between american roofing ratios and pitch degrees follow these steps.
The term pitch has two different meanings when it comes to roofs.