Board Foot Calculator
Calculate board feet for lumber and estimate costs
Lumber Dimensions
Actual thickness (e.g., 1.5" for 2×4)
Actual width (e.g., 3.5" for 2×4)
Formula
Board Feet = (Thickness × Width × Length) ÷ 12
Thickness and width in inches, length in feet
Results
Board Feet per Piece
4.000 bd ft
Total Board Feet
40.00 bd ft
10 pieces
Total Linear Feet
80 ft
Estimated Weight
100.0 lbs
Approximate (varies by species)
Cost per Piece
$12.00
Total Cost
$120.00
Common Sizes Reference
1×4 @ 8': 2.33 bd ft
1×6 @ 8': 3.67 bd ft
2×4 @ 8': 3.50 bd ft
2×6 @ 8': 5.50 bd ft
2×8 @ 10': 9.06 bd ft
2×10 @ 12': 13.88 bd ft
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.