The Area of a Gable Roof calculator computes the total surface area of a roof, and the number of 4x8s and bundle of shingles needed for a roof based on the length, span, pitch and overhang.
INSTRUCTIONS: Choose units and enter the following:
Roof Area (A): The calculator returns the surface area of the roof in square feet. However, this can be automatically converted to compatible units via the pull down menu. The calculator also returns:
The Roofing Shingles Cost Survey list the observed price of a bundle of shingles. A bundle is equal to roughly (33 1/3 ft2) or one third of a roofing square (100 ft2). The shingle price survey includes a date, the name of the store, and the five price points for shingles: economy, low, median, high and premium. One should use the pricing for roofing materials that can be bought locally. However, the following prices are for different quality grades of shingles in the United States:
All prices are for one bundle of shingles which cover 33.33 ft2.