How To Figure Square Ft Of A Roof

To properly calculate how many bundles of shingles are needed to roof your home you need to calculate the total square footage of the roof and convert it to squares.

How to figure square ft of a roof. 100 square feet 1 roofing square 9 290304 cubic meters si unit. Link to your exact conversion. Measure the length and width of every roof plane or surface. Because each 100 square feet of roof is one roofing square divide.

How to estimate roofing materials. 10 feet by 10 feet 100 square feet. A square simply refers to a 10 x 10 square of roofing. The first step in a free roofing estimate is measuring the roof dimensions.

A square of shingles is the number of shingles needed to cover 100 sq feet of roof area. 1 ft x 1 ft. Multiply the length by the width to arrive at. However shingles are packaged in a way that they are light enough for the average person to carry around.

1 roofing square 9 290304 m 3. You will need to express this size in terms of square feet. A square represents 100 square feet of area covered by shingles. This is simply 100 square feet of roof.

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. Convert the area to roofing squares. 8 inches and you have an 8 in 12 pitch. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.

Calculate each plane separately. Pitch measurement method 1. To find the squares divide the overall roof area by 100 and then round up. 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. How to calculate square feet of a roof step 1. Singles are often sold in bundles with three bundles equaling one roof square. Include dormers the small outjuttings over attic.

If this distance measures 4 inches you have a 4 in 12 pitch. For instance if the roof is 1550 square feet then it is 16 squares. Multiply the length and width of each square or rectangle shaped plane. How do you calculate square footage for a roof.

1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. Measure the ground dimensions of the house using a tape measure and write down these dimensions.