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Lumber and materials
The questions that show up before a lumber order: how much hardwood the list really is, whether the rectangles fit the sheet, what a 2×4 measures after dressing, and how far a panel will move between seasons.
Hardwood in Canada is still commonly priced by the board foot. Softwood dimension lumber is sold by the piece, and the piece is smaller than its name. Sheet goods are sold by the sheet. These tools keep those distinctions in the open. They will not tell you if a shelf will sag, if a stair is legal, or if a grade is fair.
Board foot calculator
Volume of the boards on your list, with waste if you want it.
StockSheet goods calculator
How many sheets the rectangles want, kerf included.
StockNominal and actual lumber sizes
What the nominal size became after dressing, and how your board differs.
StockEpoxy pour and finish coverage
Litres of pour, the volume split, and finish from the can’s own rate.
StockWood movement calculator
How far a width moves when the moisture content changes.
StockSaw kerf and yield
Piece count from one board, with the kerfs between them.
StockLinear cut list
How many boards a mixed cut list wants.
StockPanel glue-up
Board count for a panel, after the glue lines.