4 calculators in this category
- Board Feet CalculatorBoard foot = 144 cubic inches (NHLA Rules for the Measurement and Inspection of Hardwood and Cypress)A board foot is 144 cubic inches of lumber — one inch thick, twelve inches wide, twelve inches long — and it is the unit…
- Wood Movement & Shrinkage CalculatorUSDA Wood Handbook dimensional change coefficients (FPL-GTR-190, Ch. 13)Wood swells when the air is damp and shrinks when it is dry, and it does almost all of that across the grain. A 36 in oak…
- Shelf Sag & Deflection CalculatorEuler–Bernoulli beam deflection; USDA Wood Handbook MOE valuesA shelf that sags is almost never a strength failure — the wood is nowhere near breaking. It is a stiffness failure, and…
- Lumber Cut List Yield & Kerf CalculatorLinear one-dimensional cutting-stock arithmeticBuying lumber by dividing project length by board length is how people end up one board short on a Sunday afternoon. Every…
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