Free board and batten & wainscoting layout calculator
About BattenCalc
BattenCalc is a free board and batten and wainscoting layout calculator. Enter your wall width and actual trim width in inches or millimeters to get equal gaps, left-edge and centerline marks, and a cut list for 8-16 ft boards. No account needed.
PlatformsWeb
✓ VerifiedOct 25, 2026
Key features
- Equal batten spacing from wall width and actual trim width
- Inches with fractions or millimeters
- Left-edge and centerline marks for every batten or stile
- Cut list for 8, 10, 12 or 16 ft stock with saw kerf and optional spares
- Wainscoting panel widths, stile marks and chair-rail height
- Formulas and methods shown; no account, payment or upload
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