Episode 1 · Layout

What's my panel 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.

Measure in

Your measurements

cm
cm
cm

Measured from floor. Recommended: 100cm

cm

Equal spacing top, bottom, left, right

400 cm wide
100 cm
Dado · 100cm
Skirting
Dado rail
Panel

Your results

Recommended Panels
Panel Width
Panel Height
Actual Dado Height
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Panelling Pro · Coming soon

Your entire project. Every wall, every cut, every angle — planned before you've picked up a saw.

Multi-wall planning Stair angle calculator Printable cut guide

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Episode 2 · Moulding

How much moulding do I need?

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.

cm
£
cm

Usually a shorter, lighter profile than the dado

£

A 2mm allowance per cut is included automatically.

Dado Rail

Total length needed
Units to buy
Waste

Picture Frame Moulding

Total length needed
Units to buy
Waste
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Unlock your cut plan

Enter your email to unlock your moulding quantities, waste calculator, and visual cut plan — free, forever.

Panelling Pro · Coming soon

Your entire project. Every wall, every cut, every angle — planned before you've picked up a saw.

Multi-wall planning Stair angle calculator Printable cut guide

Please enter a valid email address.

By unlocking, you agree to join the itsmatchoo mailing list. Unsubscribe anytime. View our Privacy Policy.

Panelling Pro · Coming soon

Free tool unlocked ✓

The calculator is just
getting started.

The free tool covers one wall. Pro takes you through the entire project — multiple walls, stair angles, a step-by-step cut checklist, and a printable assembly guide you can take to the workshop.

Multi-wall planning Stair angle calculator Cut checklist with angles Printable assembly guide

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.