- Measure the length and width of each plane on the roof (including dormers) then multiply length times width.
- Add the square footage of each of the planes together.
How much does 1 pack of shingles cover?
You usually purchase shingles by the bundle. Standard shingles are 12 by 36 inches and come 29 to a package. Most shingles come 3 bundles to a square — which is equal to 100 square feet. So, each bundle provides about 33 square feet of coverage.Feb 23, 2021
How many bundles of shingles do I need for a 12x12 roof?
How Many Bundles of Shingles Will You Need. The average bundle of shingles covers 33.3 ft2, so three bundles of shingles are needed per square.
How do you calculate shingles for a shed?
Calculate the amount of wood shingles needed to roof a Shed style roof online. The wood shingles calculation is based on: Shingles coverage of one roofing square (100sqft) = 4 bundles @ 5" exposure, 1 bundle covers 25 square feet @ 5" exposure.