Roofing Calculator
roofing-calculatorCalculate sloped roof area and covering sheets from building dimensions, pitch and overhang.
🛡 Privacy-first⚡ Fast🔓 No signup📱 Mobile friendly
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⚠️ Results are estimates for takeoff and planning. Do not use them as a substitute for structural design, specifications or local building codes; consult a qualified professional when required.
💡 Useful information
Calculate actual gable or shed roof area and covering-sheet quantity from building length, width, pitch angle and overhang.
- Runs directly in a modern browser.
- Works on phones and desktop computers.
- Reuse it without creating an account.
ℹ️ How to use
- Enter your data or choose the required file.
- Adjust the available options.
- Run the tool and review the result.
- Copy or download the result when needed.
❔ Frequently asked questions
Can it calculate a gable roof?
Yes. Choose gable or shed; the pitch angle is used to calculate actual surface area.
Does it include sheet overlap?
Enter the effective sheet coverage after overlaps for a more useful sheet count.
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