Free Tool · Panelling 101
Enter your wall measurements. Get your perfect panel layout, spacing, and dado rail height — instantly.
Results are estimates — always verify on-site before purchasing.
Episode 1 · Layout
Enter your wall measurements. The calculator works out the ideal number of panels, their dimensions, and your dado rail height — all based on the Goldilocks rule.
Results are estimates — always measure twice and verify on-site.
Your measurements
Measured from floor. Recommended: 100cm
Equal spacing top, bottom, left, right
Your results
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Episode 2 · Moulding
Enter the standard length of moulding bars you can buy. The calculator works out how many bars of each type to order, cutting as efficiently as possible to minimise waste.
Results are estimates — verify quantities with your supplier before ordering.
Stock lengths available
Check what your supplier sells — common lengths are 240cm or 270cm.
Usually a shorter, lighter profile than the dado
A 2mm allowance per cut is included automatically.
Dado Rail
Picture Frame Moulding
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Disclaimer: The results produced by this calculator are estimates based on the measurements you provide and standard panelling conventions. They are intended as a guide only. Always verify all measurements on-site before purchasing materials or beginning installation. Walls, ceilings, and floors are rarely perfectly square or level — real-world conditions may require adjustment. itsmatchoo accepts no liability for any loss, damage, or additional cost arising from reliance on these calculations. When in doubt, consult a qualified tradesperson.