🌳 Board and Batten Calculator
Wall size and batten spacing
Wall width
Wall height
Batten spacing
(center to center — 12 to 16 in is typical)
Batten size
1 × 3 (2.5 in wide)
1 × 4 (3.5 in wide)
1 × 2 (1.5 in wide)
Middle rail
No — top and bottom rails only
Yes — add a chair-height rail
Waste allowance (%)
(extra for cuts, spills and uneven ground — 10% is the usual rule)
Calculate boards
Calculator by
CalcCoverage
— free DIY & home-improvement calculators