Metal Roof Cost Calculator
It uses your own quoted rate — there are no built-in prices, and panel type is only a label. Cost = squares × installed rate × (1 + trim) × (1 + uplift) + fees. A 2,400 ft² roof at $700 per square, 12% trim and $600 fees comes to $19,416. For shingles, use the Roof Replacement Cost Calculator.
How it's calculated: Cost = (roof area ÷ 100) × installed rate × (1 + trim %) × (1 + uplift %) + fixed fees.
Result appears here
Fill in the fields and press Calculate.
Formula, calculation, assumptions and sources
Squares = Roof surface area (ft²) ÷ 100
Cost = Squares × installed rate × (1 + trim%) × (1 + uplift%) + fixed fees
Run the calculation to see each step with your own numbers.
2,400 ft² roof, standing seam at $700/square, 12% trim, 0% uplift, $600 fees.
Squares = 24
Panel = 24 × $700 = $16,800
+ 12% trim = $18,816; + $600 fees = $19,416
- Every rate and percentage is exactly what you enter — BuildNumerics embeds no market pricing.
- Roof surface area is the sloped area, not the footprint.
- Standing seam generally costs more per square than exposed-fastener — reflect that in the rate you enter.
- Excludes structural work, underlayment upgrades, snow guards and skylights unless folded into your rate or fees.
- Standing seam vs exposed-fastener — how much more?
- Standing seam is typically the more expensive option installed, but the gap depends heavily on the panel gauge, finish and your installer. Enter the rate from your quote for the system you chose.
- Is trim really 12%?
- It's a reasonable default for a straightforward gable. A roof with many hips, valleys and penetrations uses more trim and labour — raise the percentage or fold it into your rate.
- How do you calculate the cost of a metal roof?
- Divide the sloped roof area by 100 for squares, multiply by the installed rate per square from your quote, add trim and accessories (12% by default) and any steep-slope uplift, then add fixed fees. The calculator holds no market prices.
- Does the panel type change the estimate?
- Not by itself. The panel type is a label for your reference; the estimate changes only through the installed rate you enter, so use the rate your installer quoted for standing seam or exposed-fastener panels.
Roofing square
1 square = 100 ft² of roof (NRCA convention).
Rates
User-supplied. BuildNumerics intentionally embeds no market price — you enter your own quoted rates.
About the Metal Roof Cost Calculator
The Metal Roof Cost Calculator estimates the installed cost of a metal roof from its area, the panel type and an installed rate you supply from a contractor quote — it holds no market prices. For asphalt-shingle replacement, use the Roof Replacement Cost Calculator instead.
What you enter
- Roof surface area — Sloped area, not footprint — from the Roof Area Calculator.
- Panel type — Just a label for your reference — it does not change the maths; enter the rate for the type you chose.
- Installed rate per square — Your quoted price to supply + install one square (100 ft²) of the chosen panel.
- Trim & accessories — Ridge, hip, eave, rake, valley trim, closures and fasteners as a % of the panel cost. 8–15% typical.
- Steep-slope / complexity uplift — Add a percentage for a steep or cut-up roof. 0 for a simple gable.
- Fixed fees — Permits, tear-off, access — a flat amount.
What you get back
- Estimated metal roof cost — An estimate from your rates — confirm with firm quotes.
- Roofing squares — the exact result of the calculation.
The formula, a worked example, the assumptions behind it and the sources are shown in full below the calculator.
Related calculators
- Roof Area Calculator — Sloped surface area of a simple gable or hip roof from its footprint and pitch.
- Roof Pitch Calculator — Roof angle, slope factor and rise-in-12 pitch from a rise and run.
- Roof Replacement Cost Calculator — Estimated cost to replace a roof from its area, material and labour rates.
- Roofing Calculator — Overall roofing material estimate from roof area, pitch and material type.
Related articles
- Asphalt Shingles vs Metal Roofing — Asphalt shingles and metal roofing differ in installation method, typical lifespan, weight and how they're estimated — here's a practical comparison.
Part of the Roofing calculators.