Board Foot Calculator
Calculate board feet for lumber and building materials with precise measurements for woodworking and construction projects
Number of pieces with these dimensions
Thickness of the lumber piece
Width of the lumber piece
Length of the lumber piece
Cost per board foot for total price calculation
Enter your lumber dimensions to calculate board feet
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How to Use This Calculator
Step-by-step guide to get accurate results
What is a Board Foot Calculator?
How to Use the Calculator
Enter Number of Boards
Add Dimensions
Optional: Price per Board Foot
Click Calculate
Tip
Key Features
Accurate Calculation
Multiple Units
Cost Estimation
Handles Multiple Boards
User-Friendly & Mobile-Friendly
Use Cases
Woodworkers & Carpenters
DIY Projects
Construction
Lumber Buyers/Sellers
Education
Example Calculations
Example 1
Example 2
Example 3 (Cost)
Frequently Asked Questions
What is a board foot?
Why use a board foot calculator?
Can I use inches or feet?
Can it handle multiple boards?
Can I calculate cost?
Is it suitable for DIY projects?
Does it account for waste?
Is it mobile-friendly?
What formula is used?
Is it used worldwide?
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A board foot is a unit of measurement for lumber volume. One board foot equals 144 cubic inches or 1/12 cubic foot. It's calculated by multiplying thickness (inches) × width (inches) × length (feet) ÷ 12.
Calculation Formulas
Length in Feet
BF = (Length_ft × Width_in × Thickness_in) ÷ 12
Length in Inches
BF = (Thickness_in × Width_in × Length_in) ÷ 144
Key Conversions
1 Board Foot =144 cubic inches
1 Board Foot =1/12 cubic foot
Total BF =Number of pieces × BF per piece
Total Cost =Total BF × Price per BF
Example:A 2" × 6" × 8' board = (8 × 6 × 2) ÷ 12 = 8 board feet. For 10 pieces, total = 80 board feet.