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Board Foot Calculator 🪵

Calculate the volume of lumber in board feet based on dimensions (length, width, thickness). Perfect for woodworkers, contractors, and lumber pricing.

Board Foot Calculator 🪵
Common Lumber Dimensions
🪵
2×4×8 ft
Standard Stud
📐
1×6×12 ft
Common Board
📏
Metric Size
50×100×2.4m
🏗️
4×4×10 ft
Heavy Post
Lumber Dimensions
💡 Tip: We've pre-filled typical values for 2×4×8 lumber. Adjust the numbers or click Calculate to see results!
Measurement System: Choose your preferred units
Number of Pieces: How many boards of this size
Length:
Width:
Thickness:

Embed Board Foot Calculator 🪵 Widget

About Board Foot Calculator 🪵

Calculate Lumber Volume in Board Feet
Enter your lumber dimensions to instantly calculate board feet—the standard unit for measuring and pricing lumber. Perfect for woodworkers, contractors, and DIY enthusiasts who need to estimate material costs and quantities.
📏
Precise Measurements
Calculate exact board footage based on length, width, and thickness with imperial or metric units.
🔢
Multiple Pieces
Calculate total board feet for any quantity of lumber with automatic totaling.
⚖️
Weight Estimation
Get estimated weight for shipping and handling calculations based on typical wood density.

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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