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Free board and batten calculator & siding estimator. Calculate board and batten materials, spacing, costs & installation requirements for exterior walls. Our calculator helps you determine the exact number of boards and battens needed, total linear feet, material costs, and professional installation estimates for your board and batten siding project.
Last updated: February 2, 2026
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Number of Boards
3
Number of Battens
2
Board Length:
30 ft
Batten Length:
20 ft
Total Coverage Area:
200 sq ft
Estimated Installation Time:
6 hours
Installation Tips:
Materials calculated
Boards, Battens, Linear Feet
Determines number of boards and battens with total linear footage required
Spacing options
Custom Width & Gap
Calculate spacing for aesthetic and structural requirements
Cost breakdown
Material + Labor + Total
Complete cost analysis for budgeting and planning
Vertical patterns
Various Board Widths
Support for different vertical siding configurations
Coverage area
Square Feet Calculated
Accurate square footage for exterior applications
Time estimate
Hours + Labor Cost
Plan project timeline and labor budget accurately
For a 10ft × 20ft wall with 8" boards and 2" battens:
Boards Needed
3
Battens Needed
2
Coverage
200 sq ft
Total Cost
$530
Our board and batten calculator uses industry-standard measurements and professional installation techniques to calculate accurate material requirements and cost estimates. The calculation accounts for board width, batten width, spacing requirements, and waste factors to ensure you have enough materials for your project.
Number of Boards = Wall Width ÷ (Board Width + Spacing)Number of Battens = Number of Boards - 1Total Linear Feet = (Boards + Battens) × Wall HeightTotal Cost = Material Cost + Labor CostThis formula calculates the optimal number of boards based on your wall dimensions and desired spacing. Battens typically cover the seams between boards, so the number of battens is one less than the number of boards. Total linear feet determines material quantity, and costs include both materials and professional installation.
Shows vertical board layout with battens covering seams
Board and batten siding follows specific installation standards for proper function and appearance. Boards are typically 6-12 inches wide, with battens 2-4 inches wide covering the seams. Spacing between boards should allow for wood expansion (1/8" to 1/4") while being fully covered by battens. Installation requires proper backing, moisture barriers, and correct fastening techniques.
Need help with other home improvement projects? Check out our siding calculator and drywall calculator.
Get Custom Calculator for Your PlatformResult: 3 boards + 2 battens = $530 total cost
Estimated installation time: 6 hours for professional installation.
8ft × 10ft wall with 6" boards
~15 boards, 14 battens ≈ $350-600
12ft × 40ft wall with 10" boards
~58 boards, 57 battens ≈ $1,800-3,200
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