// multi-utility computation suite · offline · instant · precise
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build.carpentry-board-footage Calculator
Calculates board feet of lumber from nominal dimensions and length, converts between board feet and running feet, and prices the total at a given cost per BF. Board feet = (thickness × width × length) / 144 — the universal currency of the lumber industry.
Inputs
T
Perpendicular measurement through the material. For insulation: thicker is better. For beams: directly affects bending resistance.
W
Horizontal extent perpendicular to the length.
L
Linear measurement. Ensure consistent units: 1 m = 1,000 mm = 3.281 ft.
Qty
Count or number of items involved.
Price
Reference formula or conversion factor shown for context.
Results
BF per board
Reference formula or conversion factor shown for context.
total BF
The combined total across all inputs and components.
total cost
The combined total across all inputs and components.