Dormer Calculator — Calculate Materials and Cost for Your Dormer Project

Dormer Calculator

Calculate how much material you need for your dormer construction or renovation with our comprehensive calculator. Determine materials, costs, and labor estimates based on your project specifications.

Step 1: Dormer Measurements

30°

Understanding Dormer Types

Gable dormers have a peaked roof, shed dormers have a single-slope roof, hip dormers have three sloping planes, eyebrow dormers have a curved roof, and wall dormers extend from the wall plane.

Step 2: Material & Cost

$25

About Dormer Construction Costs

Dormer construction costs vary by complexity, materials, and regional labor rates. More complex dormer types like eyebrow or hip dormers typically cost more than simpler gable or shed dormers.

Dormer Project Cost Results

Summary
Material Comparison
Breakdown

Estimated Total Dormer Cost

$5,820
For 8’x6′ shed dormer with wood framing and vinyl siding
Dormer Surface Area
124 sq ft
Roof Area
46 sq ft
Material Cost
$4,340
Labor Cost
$3,100

Material Type Cost Comparison

Material Type Price per Sq Ft Material Cost Total Project Cost

Cost Breakdown

Dormer Calculation Formula

Total Cost = (Wall Area × Material Price) + (Roof Area × Roof Material Price) + (Total Area × Labor Cost)

To calculate total dormer cost: Calculate wall and roof surface areas based on dimensions, multiply by respective material costs, then add labor cost based on total area.

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