Board Foot Calculator 🪵
Calculate the volume of lumber in board feet based on dimensions (length, width, thickness). Perfect for woodworkers, contractors, and lumber pricing.
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About Board Foot Calculator 🪵
What is a Board Foot?
A board foot is a volume measurement used for lumber, equal to a piece of wood 12 inches long × 12 inches wide × 1 inch thick (144 cubic inches). Board feet is the standard unit for pricing lumber in North America.
How to Calculate Board Feet
The formula for board feet is: Board Feet = (Length in feet × Width in inches × Thickness in inches) ÷ 12
For example, a 2×4×8 board (actual dimensions: 2 inches thick × 4 inches wide × 8 feet long) = (8 × 4 × 2) ÷ 12 = 5.33 board feet.
Common Lumber Sizes
| Nominal Size | Actual Size | Board Feet per Linear Foot |
|---|---|---|
| 1 × 4 | 0.75" × 3.5" | 0.22 BF/ft |
| 1 × 6 | 0.75" × 5.5" | 0.34 BF/ft |
| 2 × 4 | 1.5" × 3.5" | 0.44 BF/ft |
| 2 × 6 | 1.5" × 5.5" | 0.69 BF/ft |
| 2 × 8 | 1.5" × 7.25" | 0.91 BF/ft |
| 4 × 4 | 3.5" × 3.5" | 1.02 BF/ft |
Practical Uses
- Pricing: Lumber is typically sold by the board foot, making this calculation essential for cost estimates.
- Project Planning: Calculate exactly how much lumber you need for construction or woodworking projects.
- Material Ordering: Ensure accurate orders when purchasing from lumber yards or suppliers.
- Inventory: Track lumber inventory in workshops and warehouses using standardized measurements.
Reference this content, page, or tool as:
"Board Foot Calculator 🪵" at https://MiniWebtool.com/board-foot-calculator/ from MiniWebtool, https://MiniWebtool.com/
by miniwebtool team. Updated: Oct 31, 2025
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