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Tool: Board Foot Calculator — Hardwood Lumber & Timber | Printed on:
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Board Foot Calculator — Hardwood Lumber & Timber
Calculate board feet (BF) for single boards or multi-piece hardwood cut lists.
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CONSTRUCTION & CODE
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Project Specifications
Board Foot Standard Formula
Transparent mathematical methodology explained in plain English.
Board Feet = (Thickness in × Width in × Length ft) / 12 One board foot represents the volumetric equivalent of a board 1 inch thick, 12 inches wide, and 12 inches long (144 cubic inches).
Variables Explained:
- Quarter Sizing: 4/4 = 1 inch thick | 6/4 = 1.5 inches | 8/4 = 2 inches.
Real Project Example
Eight Walnut Boards: 6/4 (1.5") Thick × 8" Wide × 8 ft Long
Hardwood lumber yard order.
Sample Project Inputs:
Thickness: 1.5 inches
Width: 8 inches
Length: 8 ft
Quantity: 8 boards
Step-by-Step Calculation:
- Board feet per board: (1.5 × 8 × 8) ÷ 12 = 8.0 BF.
- Total board feet: 8.0 × 8 = 64.0 BF.
- At $11.50 per board foot: 64 × $11.50 = $736.00.
Calculated Answer: 64.0 Board Feet ($736.00 total estimated price).
Knowledge Base
Frequently Asked Questions: Board Foot Calculator
Click any question below to expand quick answers, formulas, and expert tips.
What does 4/4 and 8/4 lumber mean?
Hardwood lumber is sold in quarter-inch increments of thickness. 4/4 ("four-quarter") is roughly 1" thick; 6/4 is 1.5" thick; 8/4 is 2" thick.