Of your roof area which is close to the sheet coverage area of 32 sq.
Bundle of asphalt shingles coverage.
But be careful not all shingle brands are packaged three bundles to a square.
However shingles are packaged in a way that they are light enough for the average person to carry around.
Therefore order one bundle for every sheet of roof sheathing you have.
As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.
Asphalt shingles range in price from about 25 per bundle for a standard 3 tab style to around 50 75 or more for an upgraded architectural style.
With other bundle counts per square divide the sheet number by three and come up with the number of squares you need to cover your roof.
Typically it takes three bundles of standard sized standard weight shingles to cover 100 square feet of roof surface.
A square of shingles is the number of shingles needed to cover 100 sq feet of roof area.
So most popular shingles are sold such that three bundles are needed to cover one square of roof area.
Asphalt shingles are typically packaged with this in mind but if a package of shingles covered an entire 100 square foot square it would be too heavy to handle.
Bundles are packaged at a weight that is light enough for one person to carry easily.
Each of your bundles can cover 33 3 sq.
Since transportation is a major cost factor expect prices to vary by location.
The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square.
A typical bundle of shingles weighs about 75 pounds while some premium products can weigh over 100 pounds per bundle so consider delivery of materials.