Free Wall Panelling Calculators

Quick calculators for the spacing maths behind wall panelling. Each one solves the even layout for your exact wall, shows it as you type, and opens straight into the free planner when you want the full design and a cut list. All of them work in mm or inches.

Batten spacing calculatorWork out the even gap between battens for a board and batten wall. Enter the wall width, batten width, and count; get the exact gap with a live preview.Wall panel spacing calculatorFor framed layouts like shaker, picture frame, and wainscoting. Choose the gap you want and get the exact panel width that fits your wall evenly.Slat wall calculatorFor fluted feature walls with dozens of narrow slats. Get the slat count and exact gap from your target spacing, plus how many MDF sheets to rip them from.

Need more than spacing?

The calculators answer one number each. The free planner draws the whole wall to scale: rows, dado rails, sockets and radiators, a 3D view, and a cut list of every strip. Or start from a panelling style template and read the planning guides for heights, costs, and layout rules.

Open the Planner