Frequently Asked Questions
What does 4/4 mean?
It is the rough thickness expressed in quarter-inches: 4/4 is one inch rough, typically surfaced to about 13/16 inch. Always use the rough number when calculating board feet because that is what the yard charges for.
Why is wide stock pricier per board foot?
Wide, clear boards come from larger, older logs and are scarcer. Premium widths often carry an upcharge that a flat per-board-foot rate does not capture, so confirm with your supplier.
How do I price softwood dimensional lumber this way?
Dimensional softwood is usually sold by the piece or lineal foot rather than by board foot. Board-foot math is mainly for hardwoods and rough or custom-sawn lumber.
What about partial board feet?
Lumberyards typically round the tally per board or per order. Treat the decimal here as the exact volume and expect minor rounding at the counter.
Why do my calculated and quoted board feet differ?
Some yards measure the widest point of a live-edge board or charge for the full rough length before trimming. Confirm the measurement convention with your supplier before ordering.
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This calculator provides estimates for informational purposes only. Results are based on assumptions and may not reflect actual outcomes. Consult qualified professionals in relevant fields before making important decisions based on these results.