Multiply the number of roofing squares for a medium pitch roof by 1 12 to 1 25 or by 1 3 to 1 42 for a high pitch roof to get the square roof area.
Total square footage with pitched roof.
Calculate square feet meters yards and acres for flooring carpet or tiling projects.
Things you will need steel tape measure.
If your roof is flat or has no more than a 3 in 12 pitch you can calculate its total square footage by simply multiplying the length by the width.
A roof with a 6 rise for every 12 run has a 6.
1 200 x 1 05 1 260 square feet to allow for hips ridges and waste add 10 of your final number for a gable roof and 17 of your final number for a cottage roof.
Get the square footage of roof and divide it by 100 and it will give the number of squares you need and for every decimal number over 3 buy a bundle to achieve the amount of material.
Calculate project cost based on price per square foot square yard or square meter.
So continuing our example if you ve got a two story house with a total square footage of 2 700 square feet with each floor having 1 350 square feet multiply 1 350 by 1 0541 to get 1 423 square.
Get your roof size by using this roof pitch calculator.
Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
The roof pitch is important in determining the appropriate installation method and how much roofing material will be needed.
These roofs have a pitch less than 4 12.
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They have a pitch ranging from 4 12 to 9 12.
Conventional roofs are the easiest to construct and you can walk on them safely.
Enter your numbers into this go to roof pitch calculator.
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.
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.
How to calculate square footage for rectangular round and bordered areas.
Your total number would be either 1 386 or 1 474 square feet need help with this project.
Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy.
Next multiply the area by your roof s pitch.
Roof is 6 12 pitch and measures at 2 400 square feet so 2400 x 1 12 2 688 2 88 sqs added for pitch.
High pitched roofs often need extra fasteners and their pitch can be as high as 21 12.
Roof pitch is used to describe the slope or angle of the roof.