NHLA Hardwood Lumber Yield & Tally Calculator
Commercial hardwood lumber is sold in random widths and lengths. Calculate Surface Measure (SM), Board Footage (BF), and minimum clear cutting yields across FAS, No. 1 Common, and No. 2A Common grades per National Hardwood Lumber Association standards.
Bundle Board Tally (Random Widths & Lengths)
Width (Inches)Length (Feet)Pieces
Yield & Footage Summary
Gross Lumber Footage
108.4 BF
108.4 sq. ft. Surface Measure across 18 boards
Clear Face Yield (No. 1 Common)
72.3 BF
Guaranteed 66.67% clear defect-free wood
Expected Cutting Waste / Offcuts
36.1 BF
Factor in when purchasing raw lumber for your final dimensioned parts.
Min. board size: 3" wide x 4' long
Min. cutting size: 4" x 2' or 3" x 3'
Max cuttings allowed: SM ÷ 3
Official NHLA Grading Yield Reference Rules
| Grade | Min. Yield % | Min. Board Dimensions | Min. Cutting Dimensions | Defect Standards |
|---|---|---|---|---|
| FAS (Firsts & Seconds) | 83.33% | 6" wide x 8' long | 4" x 5' or 3" x 7' | Extremely clean; few small defects allowed outside clear cuttings |
| FAS 1-Face (F1F) | 83.33% | 6" wide x 8' long | Best face grades FAS (83.3%), reverse face grades #1 Common (66.7%) | Back face allows sound defects and knots |
| Selects | 83.33% | 4" wide x 6' long | Same as F1F with smaller minimum board size allowance | Ideal for shorter or narrower furniture parts |
| No. 1 Common | 66.67% | 3" wide x 4' long | 4" x 2' or 3" x 3' | Medium knots, pith outside cuttings, color streaks |
| No. 2A Common | 50% | 3" wide x 4' long | 3" x 2' | Frequent knots, wane, checks; clear cuttings required for cabinet doors and flooring |
| No. 2B Common | 50% | 3" wide x 4' long | 3" x 2' (Sound cuttings) | Sound defects allowed in cuttings (sound knots, bird pecks, worm holes) |
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