Category guide
A dedicated roofing-material calculator is not live yet. A useful starting record separates each measured roof face, the selected product coverage and any feature that changes the layout.
What to have ready
Record each roof face as a separate measured area.
Use the product's stated coverage rather than a generic tile rate.
Keep complex details and project-specific decisions outside a simple material estimate.
Current starting point
Calculator.Shop has not published a specialist roofing materials calculator yet. Record the measured area or perimeter first, then keep the exact product coverage and pack details with your plan.
Square metre calculator