Roofing Calculator
Estimates the number of roofing sheets needed from roof area and sheet coverage.
Lilu Baba's Roofing Calculator converts your roof area into an estimated sheet count for corrugated, metal, or similar roofing materials.
How to use this calculator
- Enter your total roof area (use our Roof Area Calculator if needed).
- Enter how much area each roofing sheet covers.
- Estimated sheets needed update instantly.
Estimated Sheets Needed
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FAQ
Roofing Calculator — frequently asked questions
Check the manufacturer's spec sheet — effective coverage accounts for overlap between sheets, which varies by product.
Yes — add a few extra for waste, cutting, and ridge/edge pieces, which this basic estimate doesn't include.