Metal Roofing Calculator — Panels & Screws

How the metal roofing calculator works

Panel coverage = panel width (ft) × panel length. Divide sloped roof area by panel coverage and add ~10% for cuts. Plan ~0.8 fasteners per ft² and one 10-ft ridge cap piece per 10 ft of ridge.

Frequently asked questions

How many metal panels for a 2000 ft² roof?

With 36 in × 12 ft panels (36 ft² coverage each), about 61 panels including 10% waste.

How many screws per metal roofing panel?

Roughly 30 fasteners per 3 ft × 12 ft panel (screws every 12–24 in on ribs and eaves).

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