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.

Length B has to be the wall that slopes for this calculator to work.

Instructions

1. Enter the length A of the building. (feet+inches)
2. Enter the length B of the building. (feet+inches)
3. Enter the side overhang. (inches)
4. Enter the rear overhang. (inches)
5. Enter the front overhang. (inches)
6. Enter the pitch of the roof. (rise /12")
7. Enter the exposure of the shingle. (inches)
8. Enter a waste factor if required (percentage)

The Results

1. Square footage of roof.
2. The pitch of the roof in degrees.
3. The amount of wood shingles needed to cover the square footage.
4. Amount of wood shingles added for the waste factor.
5. For starter strip it adds 1 bundle for every 60 lineal feet of perimeter starter course.
6. Total bundles needed = 3+4+5.