Roofing sheet calculator
Enter the building size, roof slope and overhang to get the roof area, the metres of long-span sheet and the number of fixed-length roofing sheets.
Free, no sign-upRuns in your browser
Sheet sizes
You need
Roof area0 m²along the slope
Long-span sheet0 msold by the metre
Fixed-length sheets0sheets
Ridge cap0 malong the top
This is for a simple gable or hip roof. Roofs with valleys and extra wings need more; ask your roofer to confirm before you buy.
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Is it free?
Yes. This tool is free to use, with no sign-up.
Is what I type stored?
No. Everything happens in your browser and nothing is sent to our servers.
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