What does BattenCalc do?
BattenCalc is a free planner for board and batten and wainscoting walls, built by an independent developer. It runs in the browser with no account, payment or upload, and the dimensions you type stay on the page.
The board and batten calculator takes your wall width, in inches (fractions like 120 1/2 are fine) or millimeters, and the actual width of your battens. A 1×4 is entered as 3.5 inches, not 4. You choose a target gap, a batten count or a gap count. It then works out the exact equal clear spacing, rounds the display to the nearest 1/16 inch while keeping the unrounded value for the math, and lists every batten’s left-edge and centerline mark measured from the left end of the wall.
Who should use BattenCalc?
DIYers, Homeowners, trim carpenters are the clearest fit based on how the product is positioned.
Best fit
Pricing: Free
Platforms: Web
How much does BattenCalc cost?
Free Check the provider’s own page for the latest pricing, packages and terms.
Screenshots
Details, pricing and availability can change. We use provider information, verified owner updates and editorial review where available. Check the provider’s own page before making a purchase, booking or important decision.
Profile last updated 25 Oct 2026.
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