Siding Cost Calculator
Calculate siding panels, underlayment, and trim needed for your project. Estimate costs and materials for home exterior siding.
Step 1: House Dimensions
Siding Panel Sizes
Standard siding panels are 12×8 feet (96 sq ft) or 12×12 feet (144 sq ft). Our calculator uses 12×8 panels by default with 10% waste factor included.
Step 2: Siding Materials & Cost
Material Estimates
Underlayment: ~1 roll per 200 sq ft. Trim pieces: ~1 linear foot per 2 sq ft. Fasteners: ~1 box per 200 sq ft.
Siding Materials Estimate
Summary
Materials List
Cost Breakdown
Total Estimated Cost
$4,235.00
45 panels (12×8 ft) required
Siding Panels
45 panels
Underlayment
4 rolls
Trim Pieces
350 feet
Total Area
4,320 sq ft
Complete Materials List
| Material | Quantity | Unit Price | Total Cost | Notes |
|---|
Cost Breakdown by Area
Siding Calculation Formula
Panels = (Total Wall Area ÷ Panel Area) × (1 + Waste%)
Calculate total wall area, divide by panel area, then add waste factor. Underlayment: 1 roll per 200 sq ft. Trim: 1 linear foot per 2 sq ft.
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