🚪 Trim & Baseboard Calculator
Room size and openings
Room length
Room width
…or total wall length directly
Piece length you buy
Doors
(3 ft of trim saved each)
Windows
(3 ft each — for cased window trim; use 0 for baseboard only)
Waste allowance (%)
(extra for cuts, spills and uneven ground — 10% is the usual rule)
Calculate trim
Calculator by
CalcCoverage
— free DIY & home-improvement calculators