Metal Roof Estimate
Total Roof Area
1,677 sf
1,500 sf footprint x 1.118 pitch
Cost Per Square Foot
$9.12 - $15.74
installed
Material Breakdown
Cost Breakdown
Cost Overview
Estimated Total Cost
$15,294 - $26,389
12,800+ estimates calculated this month
Last updated: 2026-03-05
How to Estimate Metal Roofing Costs
Metal roofing costs anywhere from $4 to $14 per square foot installed, depending on the panel type and your local market. This calculator breaks down your total project cost into panels, underlayment, trim, ridge cap, fasteners, labor, and optional tear-off so you can see exactly where the money goes. All prices reflect verified 2026 contractor rates.
The key to an accurate metal roof estimate is getting the actual roof area right. Your building footprint gets multiplied by a pitch factor that accounts for the slope. A 6/12 pitch adds about 12% more area than a flat roof. From there, add 10% waste for cuts, overlaps, and trim pieces. That is the number you order material against.
Inputs you'll need
- Building length and width - the footprint dimensions in feet
- Roof pitch - the slope expressed as rise over 12 (e.g. 6/12)
- Metal panel type - standing seam, corrugated, R-panel, metal shingles, or stone-coated steel
- Labor and tear-off - whether you want installed cost or material only, and whether old roofing needs removal
Metal Roofing Costs by Panel Type (2026)
| Panel Type | Material (per sf) | Labor (per sf) | Installed (per sf) | Lifespan |
|---|---|---|---|---|
| Corrugated | $1.50 - $3.50 | $2.50 - $4.50 | $4.00 - $8.00 | 30 - 50 years |
| R-Panel / PBR | $2.00 - $4.00 | $2.50 - $4.50 | $4.50 - $8.50 | 30 - 50 years |
| Metal Shingles | $3.50 - $6.00 | $3.00 - $5.00 | $6.50 - $11.00 | 40 - 60 years |
| Standing Seam | $4.50 - $7.50 | $3.50 - $6.00 | $8.00 - $13.50 | 50 - 70 years |
| Stone-Coated Steel | $4.00 - $8.00 | $3.50 - $6.00 | $7.50 - $14.00 | 50 - 70 years |
Worked examples
Example A: 1,500 sf ranch with standing seam
- Building: 50 ft x 30 ft = 1,500 sf footprint
- Pitch: 6/12 (multiplier 1.118) = 1,677 sf roof area
- With 10% waste: 1,845 sf to order
- Standing seam roofing material: 1,845 x $4.50-$7.50 = $8,303 - $13,838
- Underlayment + trim + ridge + fasteners: ~$1,200 - $2,600
- Roofing labor: 1,677 x $3.50-$6.00 = $5,870 - $10,062
- Total roofing cost installed: $15,373 - $26,500
Example B: 900 sf garage with corrugated panels
- Building: 30 ft x 30 ft = 900 sf footprint
- Pitch: 4/12 (multiplier 1.054) = 949 sf roof area
- With 10% waste: 1,044 sf to order
- Corrugated roofing material: 1,044 x $1.50-$3.50 = $1,566 - $3,654
- Accessories: ~$600 - $1,200
- Labor: 949 x $2.50-$4.50 = $2,373 - $4,271
- Total installed: $4,539 - $9,125
Example C: 2,400 sf home re-roof with metal shingles (tear-off included)
- Building: 60 ft x 40 ft = 2,400 sf footprint
- Pitch: 8/12 (multiplier 1.202) = 2,885 sf roof area
- With 10% waste: 3,174 sf to order
- Metal shingle roofing material: 3,174 x $3.50-$6.00 = $11,109 - $19,044
- Accessories: ~$1,700 - $3,500
- Labor: 2,885 x $3.00-$5.00 = $8,655 - $14,425
- Tear-off: 2,885 x $0.50-$1.50 = $1,443 - $4,328
- Total installed: $22,907 - $41,297
Compare with our general roofing calculator for shingle options, or check roof pitch calculator if you need to measure your pitch first. For the full breakdown on replacement costs, see our roof replacement cost guide.
Pro tips from the field
- Order 10-15% extra material. Metal panels cannot be patched like shingles. A bad cut or a dented panel on a standing seam job means that piece is scrap. Better to have a few extra than shut down the job waiting on a re-order.
- Use the right fasteners. Galvanic corrosion kills metal roofs. Stainless steel or coated screws matching your panel material are non-negotiable. Never use plain steel screws on aluminum or copper panels.
- Do not skip the underlayment. Synthetic underlayment acts as your secondary water barrier. On metal roofs, condensation is real, especially in cold climates. Ice and water shield at eaves and valleys is cheap insurance.
- Account for thermal expansion. Metal panels expand and contract with temperature swings. Standing seam clips are designed for this. Over-tightening exposed fasteners on corrugated panels causes oil-canning and leaks down the road.
- Check manufacturer warranties carefully. Most metal roof warranties require installation by certified contractors and specific underlayment products. Cutting corners on installation can void a 40-year warranty.
Common mistakes to avoid
- Forgetting the pitch multiplier. Using the flat footprint instead of actual roof area means you will be 5-40% short on material. A 12/12 pitch has 41% more area than the footprint.
- Ignoring trim and accessories. Trim, ridge cap, flashing, and fasteners add 15-20% to panel cost. Leaving them out of the estimate makes your bid look low but eats your profit.
- Mixing metals on the same roof. Copper drip edge with steel panels, or aluminum flashing with galvalume, creates galvanic corrosion that can eat through metal in a few years.
- Skipping ventilation. Metal roofs amplify condensation issues. Make sure ridge vents and soffit intake are properly sized, or you will get moisture damage to the decking underneath.
- Not accounting for tear-off on re-roofs. Going over old shingles saves money, but check codes first. Some jurisdictions do not allow it, and two layers of roofing adds significant dead load to the structure.
How to Use This Calculator
Enter your building dimensions
Measure the length and width of your building footprint in feet. For complex roof shapes, calculate each section separately and add them together.
Select your roof pitch
Choose the roof pitch from the dropdown. This adjusts the flat footprint to actual roof surface area. A 6/12 pitch adds about 12% more area than a flat roof.
Choose your metal panel type
Pick from standing seam, corrugated, R-panel, metal shingles, or stone-coated steel. Each has different price ranges and coverage widths.
Toggle labor and tear-off options
Include installation labor for a full installed cost. Add tear-off if you are replacing an existing roof rather than going over it.
Review your estimate
The calculator shows total roof area, panel count, material breakdown, and a low-to-high cost range. Use the location input to adjust for your regional market.
Metal Roof Cost Formulas
Roof Area = Length x Width x Pitch Multiplier
Material with Waste = Roof Area x 1.10
Total Cost = (Panels + Underlayment + Trim + Ridge + Fasteners) + Labor + Tear-OffWhere:
- Pitch Multiplier
- = Converts flat footprint to sloped area (e.g. 1.118 for 6/12)
- 1.10
- = 10% waste factor for cuts, overlaps, and damaged panels
- Panels
- = Material cost per sf x roof area with waste
- Underlayment
- = Synthetic felt at $0.25-$0.55 per sf of roof area
- Trim & Flashing
- = Perimeter trim at $2-$5 per linear foot
- Ridge Cap
- = Ridge length at $4-$8 per linear foot
- Labor
- = Installation cost per sf, varies by panel type
- Tear-Off
- = Old roof removal at $0.50-$1.50 per sf (optional)
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Frequently Asked Questions
How much does a metal roof cost per square foot installed in 2026?
Metal roof costs in 2026 range from $4 to $14 per square foot installed, depending on the panel type. Corrugated runs $4-$8/sf, R-panel $4.50-$8.50/sf, standing seam $8-$13.50/sf, and stone-coated steel $7.50-$14/sf. These include material, underlayment, trim, fasteners, and labor.
How many metal roof panels do I need?
Panel count depends on your roof area and panel coverage width. Standing seam panels are typically 16 inches wide, while corrugated panels are 26 inches with a 2-inch overlap. For a 1,500 sf roof, you would need roughly 113 standing seam panels or 75 corrugated panels (including 10% waste). This calculator handles the math automatically.
Is a metal roof cheaper than shingles long term?
Metal roofs cost 2-3x more upfront than architectural shingles, but they last 40-70 years compared to 20-30 years for shingles. Over a 50-year span, a metal roof often costs less because you skip one or two full replacements. Metal also cuts cooling costs by 10-25% due to reflectivity, and many insurers offer lower premiums for metal roofs.
What is the best type of metal roofing for residential homes?
Standing seam is the top choice for residential because it uses concealed fasteners that eliminate leak points. It costs more at $4.50-$7.50/sf for material, but lasts 50+ years with minimal maintenance. For budget-conscious projects, metal shingles at $3.50-$6.00/sf give you the look of traditional roofing with metal durability.
Can you install a metal roof over existing shingles?
Yes, in most cases you can install metal over one layer of existing shingles if the decking is sound and local codes allow it. This saves $0.50-$1.50 per square foot in tear-off and disposal costs. However, you cannot go over two layers, and some warranties require a clean deck. Always check with your local building department first.
How do I calculate metal roof area from ground measurements?
Measure your building footprint (length x width), then multiply by the pitch multiplier. A 6/12 pitch uses a multiplier of 1.118, so a 30x50 ft building (1,500 sf footprint) becomes 1,677 sf of actual roof area. Add 10% for waste from cuts, overlaps, and trim pieces to get your order quantity.
What gauge metal is best for roofing?
For residential, 26-gauge is the standard for corrugated and R-panel, while standing seam typically uses 24-gauge steel or 0.032" aluminum. Thicker gauges (lower numbers) resist denting and wind uplift better. In high-wind or hail-prone areas, step up to 24-gauge on all panel types. The gauge affects material cost by roughly $0.50-$1.00/sf per step.
How long does it take to install a metal roof?
A typical residential metal roof (1,500-2,000 sf) takes a crew of 3-4 workers about 2-4 days for standing seam and 1-3 days for corrugated or R-panel. Add a day for tear-off if removing old roofing. Weather delays, complex roof geometry, and steep pitches can extend the timeline.
What accessories do I need for a metal roof installation?
Beyond the panels, you will need synthetic underlayment ($0.25-$0.55/sf), ridge cap ($4-$8/lf), drip edge and rake trim ($2-$5/lf), pipe boots and flashing for penetrations, and sealant tape or butyl tape at all laps. Budget roughly 15-20% of panel cost for accessories and trim.
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