Shingle Roof Calculator
Estimate the number of shingle bundles, underlayment rolls, and total cost for your roof project. Input roof dimensions, pitch, and waste factor to get accurate material estimates.
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How to use this tool?
- 1 Enter the requested data in the fields above carefully.
- 2 Click the calculate button to process the information instantly.
- 3 Analyze the detailed result and the formula explanation presented below.
- 4 You can print, share, or even embed the calculator on your own site for free.
Unlike traditional static calculators, our tools adapt to specific user needs. They include detailed explanations of the formulas used, ensuring transparency in results. Furthermore, our design is focused on user experience, eliminating distractions and focusing on what really matters: your data and conclusions.
Previous Results
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Frequently Asked Questions
Length is the distance along the eaves, width is the distance from eave to ridge. If you can't access the roof, measure from the ground using the house dimensions and add overhangs.
Roof pitch is the rise over 12 inches of horizontal run. Steeper roofs require more materials due to increased surface area.
Standard waste factor is 10-15% to account for cuts, mistakes, and ridge caps. Complex roofs may need up to 20%.
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