Calculating Square Footage Of A Roof

Multiply the length and width of each square or rectangle shaped plane.

Calculating square footage of a roof.

The area calculator can be used to calculate the area of a variety of simple shapes that together can comprise the area of the roof. The sum is the total square feet of the roof. To find the squares divide the overall roof area by 100 and then round up. Let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator.

Convert the area to roofing squares. Roof pitch is measured by rise run. The top ridge will be shorter than the one of the gable roof but the four hips will add. For instance if the roof is 1550 square feet then it is 16 squares.

Multiply the length by the width to arrive at. The run always remains constant at 12 inches. The only difference in this calculation to the one for a gable roof area is the amount of the ridge. The square footage of a hip roof area is identical to the square footage of a gable roof of the same size.

It is not always necessary to climb up the roof to calculate the roof area. Measure the ground dimensions of the house using a tape measure and write down these dimensions. Calculate the square footage area of a hip roof. Include dormers the small outjuttings over attic.

The distance from the top of a stud wall to the peak of the roof. This involves dividing the square feet by a hundred and the quotient is the roof square. The calculator cannot account for complex shapes based on a measurement of square footage alone. Calculate each plane separately.

This is simply 100 square feet of roof. Because each 100 square feet of roof is one roofing square divide. If this area was required to determine the quantity of roofing materials required it should be converted from square feet to square. A square simply refers to a 10 x 10 square of roofing.

1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. How to calculate square feet of a roof step 1. Calculate or enter the square footage of the attic or area to be vented. Measure the length and width of every roof plane or surface.