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Preview Roofing Calculator Widget
Roofing Calculator
Use a free roofing square footage calculator to determine your roof size and get the right amount of roofing shingles for your job. Estimate cost, time, and labor for DIY or contractors.
Roofing
The estimated roof area is 2,818 square feet
or 261.8 square meters or 313.1 square yards.
To have 10% buffer would require 31 roof squares.
By United States standard, the roof will need:
85 bundles of composition shingles (each bundle will cover ~33 ft2)
29 rolls of roll roofing (~36 in × 36 ft for each roll)
8 rolls of #15 felt (~36 in × 144 ft for each roll)
15 rolls of #30 felt (~36 in × 72 ft for each roll)
Roofing
To have 10% buffer would require 25 roof squares.
By United States standard, the roof will need:
67 bundles of composition shingles (each bundle will cover ~33 ft2)
23 rolls of roll roofing (~36 in × 36 ft for each roll)
6 rolls of #15 felt (~36 in × 144 ft for each roll)
12 rolls of #30 felt (~36 in × 72 ft for each roll)
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