Board feet measure lumber volume, while procurement still depends on actual piece dimensions and stock lengths. Calculate both: board feet for volume/cost comparisons and a cut schedule for purchasing.
Board feet measure lumber volume, but purchasing requires a piece-by-piece cut list. Calculate BF = T(in) × W(in) × L(ft) ÷ 12 × quantity, then optimize actual stock lengths and add explicit cut/defect allowance.
Published: September 27, 2026
Last reviewed: September 27, 2026
Published by BuildYard. The guide reflects BuildYard's calculation methodology and editorial standards and does not replace project-specific professional advice.
Board feet = thickness(in) × width(in) × length(ft) ÷ 12 × quantity.
Use actual purchasing dimensions consistently when comparing supplier pricing.
Group required pieces by section and finished length before selecting stock.
Board-foot totals alone cannot tell you how many boards to buy.
Test cut combinations against locally available lengths and account for kerf and unusable ends.
Long stock may reduce joints but can increase offcut waste.
Keep geometric need, cut waste, defects, and contingency as separate lines.
Verify species, grade, moisture condition, and stock availability with the supplier.
Estimate welded wire reinforcement sheets from slab area, sheet dimensions, required laps, edge conditions, and whole-sheet layout.
Read guide →Steel, Lumber & FramingLay out stair rise, tread run, total horizontal run, and stringer geometry from floor-to-floor height and the approved stair dimensions.
Read guide →Steel, Lumber & FramingEstimate structural steel beam weight from specified section weight per foot and ordered length, including piece count and fabrication allowance.
Read guide →Board-foot volume and piece count are shown separately; supplier dimensions and stock availability must be verified.
| Step | Calculation | Result |
|---|---|---|
| Per piece | 2×8×10÷12 | 13.33 BF |
| 12 pieces | 13.33×12 | 160 BF |
| Required pieces | Cut list | 12 |
| Procurement | Verify stock lengths | Supplier-specific |
Current manufacturer data, supplier specifications, drawings, field measurements, applicable codes, permit requirements, and qualified professional guidance can take priority over a general-purpose planning estimate.