Wainscoting Calculator — Panels & Trim Linear Feet

How the wainscoting calculator works

Panels = (room perimeter in inches ÷ panel width). Chair rail and base run the full perimeter, with 10% added for cuts.

1/3 of ceiling height is a classic rule — usually 32–36 in for 8 ft ceilings, up to 60 in for tall rooms.

Subtract each door width from the perimeter for panel count; chair rail and base still run under trim.

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