Roofing Shingle Calculator
How Does the Roofing Shingle Calculator Work?
Our Roofing Shingle Calculator helps you estimate the total shingles and cost for your roof. Enter your roof dimensions, slope, waste percentage, and price details. Instantly see the total roof area, number of squares, bundles, and estimated cost. This tool is perfect for homeowners, DIYers, and professionals planning a roofing project. Enjoy a modern, mobile-friendly experience with clear instructions, helpful tips, and a detailed FAQ to answer all your questions.
Accurate roofing estimation is essential for budgeting, ordering, and reducing waste. Our calculator supports multiple units, slope types, and pricing options, making it easy to plan for any project. Use the tips below to ensure your project's success.
Parameters Explained
- Roof Dimensions: Enter the length and width of your roof. Select your preferred units (feet/meters).
- Slope: Enter the roof slope in degrees or as a pitch (rise/run, e.g. 4/12).
- Waste Percentage: Add extra for cutting and mistakes (usually 5-15%).
- Price per Bundle or Square: Enter the price per bundle or per square (100 ft²).
FAQs
- How do I calculate roofing for complex roofs?
Break your roof into rectangles and add the results for each section. - What is a roofing square?
A square is 100 square feet of roofing area. - How many bundles per square?
Most shingles come 3 bundles per square. - Can I use pitch instead of degrees?
Yes, select pitch and enter the rise (e.g. 4 for 4/12) and run (default 12). - Can I change units?
Yes, you can select feet/meters for your project. - Does this include underlayment or installation?
No, calculate those separately if needed. - Can I copy the results?
Yes, simply select and copy any result value.
Tips for Accurate Roofing Estimation
- Double-check your roof measurements and units.
- Add extra for waste and complex cuts.
- Order all your shingles at once for consistent color and quality.
- Consult your supplier for bundle size and pricing details.
Use this calculator to plan, budget, and complete your roofing project with confidence!