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.
Roof square measurement.
While it is possible to estimate the amount of necessary materials using only the total roof area measurement as can be seen from the table depending how large the pitch of the roof the actual area of the roof can differ by up to 2 236 from the measured total area at a pitch of 24 12.
The base width is the distance from one corner of your roof to the other at its base on the short side of your house.
Don t use this as your only method of measuring.
Because roofs siding and other big projects are well big using a square foot as a unit of measurement gets complicated.
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.
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.
Eagleview has spent the last 20 years pushing the boundaries of image capture and analysis.
If your roof measures 48 feet 15 m x 24 feet 7 3 m multiplying its length by its width would give you a square footage of 1 152 square feet 107 0 m 2.
If you are replacing your entire roof you will need to purchase shingles in 50 squares to sufficiently cover your 5 000 square foot roof.
This refers to the roof area that measures approximately 100 square feet.
Just use it as a starting point and you ll have a fairly basic idea of what you re dealing.
In the roofing industry the term square is unique.
Also roofing and siding are a commodity now days so even if you are off by a few sq.
Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements.
If your roof is 5 000 square feet you will have 50 squares.
Our roof calculator uses base length and base width to find the estimated area.
Keep in mind that using google earth isn t going to give you a 100 percent accurate reading but it will give you a basic idea of the size of the roof for your calculations for the roofing materials.
What is a roofing square.
As such while it can be cumbersome measuring the area and pitch of each part of the roof and multiplying by the corresponding correction factor will result in the most accurate estimate of necessary.
By experimenting with different aircraft camera systems and applying computer vision we continue to produce the highest resolution imagery available in the market today so we can exceed any customer requirement.
As you have noticed in the roofing industry however the surface of the roof is being measured in squares.
Area is defined as the expanse or measurement of a given surface and there are a few methods for measuring your roof s area.
1 square in roofing 100 square feet.
Essentially it is 100 square feet or a 10 10 block.
It does not refer to squared feet.
Nor does it refer to squared yards.
Each square is 100 square feet.
Make a sketch of your roof before you go out to measure it.
