How To Figure Square Ft Of Roof

Because each 100 square feet of roof is one roofing square divide.

How to figure square ft of roof.

For instance if the roof is 1550 square feet then it is 16 squares. Roof pitches in degrees. Include dormers the small outjuttings over attic. How to calculate square feet of a roof step 1.

Multiply the length and width of each square or rectangle shaped plane. A square simply refers to a 10 x 10 square of roofing. 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. This is simply 100 square feet of roof.

This nominal square footage amount is then multiplied by a factor associated with the roof s pitch. To find the squares divide the overall roof area by 100 and then round up. Measure your house at ground level then add in the roof s overhang for greater accuracy. Measure the ground dimensions of the house using a tape measure and write down these dimensions.

Multiply the length by the width to arrive at. The calculator cannot account for complex shapes based on a measurement of square footage alone. You will need to express this size in terms of square feet. The first step in a free roofing estimate is measuring the roof dimensions.

How do you calculate square footage for a 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. How to estimate roofing materials. Measure the length and width of every roof plane or surface.