However there is not a direct 1 1 correlation between surface area and the total cost of the project as expressed in dollars.
Figure square footage of a roof.
How many bundles of shingles will you need the average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square.
Enter your measurements rounded to the nearest foot.
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.
Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements.
Both the roof area and pitch contribute to the cost of a roofing job.
This nominal square footage amount is then multiplied by a factor associated with the roof s pitch.
Explore a number of housing related calculators as well as hundreds of other calculators covering topics such as finance math health fitness and more.
When a roof needs to be replaced one of the first steps you may perform is figuring out the roof area.
Calculated quickly on a per foot basis you can see that a bigger roof will almost always lead to a higher cost.
The key is to be as accurate as possible since falling short or an overage could mean thousands of dollars when planning your roofing budget.
The dead air space between the metal roof and shingle roof will work as a barrier to dissipate heat.
To figure out your roof s area a simple geometry can be used.
It will also give you the square footage of your roof and any other areas that you re wanting to estimate.
The total amount of roofing material you need is 17 300 1 730 19 030 square feet.
If you are going to use shingles build a pitched roof over the mobile home.
While these tools are very helpful there are a few variables that you ll want to know.
This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof.
Although roofing projects are estimated and sold by the square roofing material is often not sold in 1 square increments.
To conclude the example if your total roofing area is 17 300 square feet your waste allowance would be 17 300 x 1 1 730 square feet.
You can even embed this tool on a website that you own.
You should not put shingles on a flat roof.
Use our roofing calculator to measure correctly and determine how much roofing material you need for your project.
Multiply the square footage of your roof by 1 to get the 10 percent waste allowance.
You should use rolled roofing on a flat roof over lap 1 2 the width of the rolled roofing.