Construction

Metal Roof Cost Calculator

Estimate the cost of a metal roof.

Roof area

Cost per ft² (installed) ($)

Waste (%)

Calculated Output

Estimated cost ($) 19,800

Material area 1,980

Formula: cost = area × (1 + waste) × cost per ft²

Step-by-Step Breakdown

1. Values used:

2. Roof area = 1,800

3. Cost per ft² (installed) = 10 $

4. Waste = 10 %

6. Estimated cost = 19,800$

7. Material area = 1,980

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The math behind it

cost = roof area × (1 + waste) × cost per ft². Installed metal roofing often runs ~$7–$14/ft².

1,800 ft² + 10% at $10 → $19,800.

Roof area vs footprint?

Use the actual sloped roof area (use the Roofing calculator from footprint + pitch).