Each square is 100 square feet.
Measure squares for a roof.
Make a sketch of your roof before you go out to measure it.
One roofing square is equal to 100 square feet.
Multiply the number of roofing squares for a low pitch roof by 1 06.
How to measure a roof step 1.
Instead a square is a term of measurement all its own.
This is simply 100 square feet of roof.
A square simply refers to a 10 x 10 square of roofing.
This can make it even safer to do your measuring and it also removes a level of guessing to your calculation.
Outside of the u s a degree angle is typically used.
A home s roof is measured in squares.
To find the squares divide the overall roof area by 100 and then round up.
So in a sense we re talking about square feet but using this unit makes it easier to calculate the footage or required materials and cost of a roofing project.
For instance if the roof is 1550 square feet then it is 16 squares.
If its pitch is 6 in 12 a pitch multiplier of 1 12 multiplying 1 152 sq ft 107 0 m 2 by 1 12 would give you an overall square footage of 1 290 square feet 120 m 2.
To ensure that you order the right number of roof tiles we d recommend you measure the roof deck itself.
It s a common misconception that you can measure the square meterage of your roof by measuring the perimeter of your home.
In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches.
How to calculate your roof square footage first measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface.
If your roof is rectangular or square getting this measurement should be easy.
There are many great benefits to using google earth to measure your roof but nothing is as good as using diy s satellite roof measurement.
The first of which is that you don t even have to go up on the roof.
For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.
If your roof is 5 000 square feet you will have 50 squares.
Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements.