You will need to express this size in terms of square feet.
How to figure out if a roof is square feet.
To calculate the size of the roof you need to measure the size of the roof as if it were flat account for roof pitch calculate square footage and finally determine how many squares of material are required for the roof the calculator above can handle all of this simply enter the length width and pitch and it will determine the size of the roof in squares.
Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy.
The calculator cannot account for complex shapes based on a measurement of square footage alone.
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.
Determine the square footage of one floor of your home.
Gambrel roof square footage calculator calculate the square footage of a gambrel style roof using imperial measurements.
The answer is the number of roofing squares for the roof.
The only difference in this calculation to the one for a gable roof area is the amount of the ridge.
In cases where a roof has a complex shape such as in the image to the right measuring the dimensions and areas of each part of the roof to calculate total area will result in a more accurate measurement of area.
The square footage of a hip roof area is identical to the square footage of a gable roof of the same size.
The total amount of roofing material you need is 17 300 1 730 19 030 square feet.
Keep in mind that the average size of a roof is 1 700 square feet so your total will likely be 10 higher or lower than this figure.
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.
The lower slope length is measured from outside wall to the start of the upper sloped roof section.
1 300 x 1 05 1 365 square feet calculating the area true.
Calculate the square footage area of a hip roof.
Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100.
Multiply the square footage of your roof by 1 to get the 10 percent waste allowance.
The top ridge will be shorter than the one of the gable roof but the four hips will add.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
Convert the area to roofing squares.