CALCULATE BOARD FEET
Board Foot Calculator
Estimate total board feet for lumber orders based on thickness, width, length, and quantity. Helpful for framing, decking, and finish carpentry projects.
Board Foot Calculator
Enter lumber dimensions and quantity to calculate total board feet.
Upgrade to unlock advanced lumber calculations including waste factor, dimensional lumber presets, and professional estimating features for large-scale wood projects.
Thickness (in)
1.00
Width (in)
1.00
Length (ft)
1.00
Quantity
1
Total board feet
0.00
Board Foot Formula
Board Feet = (T × W × L ÷ 12) × Quantity, where T is thickness in inches, W is width in inches, L is length in feet.
Thickness (T) in inches
Width (W) in inches
Length (L) in feet
Volume constant: 12
Total board feet = BdFt × Qty
Standard lumber sizing
Quarter system measurements
Hardwood and softwood logic
Engineered for carpenters and suppliers who demand zero-margin error in lumber procurement.
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Example Calculation
1
Measure Lumber Dimensions
Thickness = 2 in, Width = 8 in, Length = 10 ft, Quantity = 10 boards.
2
Calculate Board Feet per Board
Board feet per board = (2 × 8 × 10 ÷ 12) ≈ 13.33 board feet.
3
Multiply by Quantity
Total board feet = 13.33 × 10 ≈ 133.3 board feet.
WHY USE THIS CONCRETE CALCULATOR?
Quickly estimate concrete needs
Helps reduce ordering mistakes
Useful for slabs, footings, posts, and walls
Great for contractors and DIY projects
Saves time during project planning
BOARD FOOT CALCULATOR FAQ
What is a board foot?
A board foot is a unit of volume for lumber equal to 144 cubic inches (12x12x1 inches). It is the standard unit used for purchasing hardwood and construction timber.
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Which projects use board foot calculations?
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Board foot calculations are essential for framing, decking, and finish carpentry projects where lumber is ordered in bulk or specific dimensions are required for estimating total material costs.
Should I round up my board foot total?
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Yes, it is common practice to round up your total board foot calculation to account for milling losses, defects, and cutting waste, ensuring you have enough material for the finished job.
Use the free concrete calculator or unlock the full app for advanced estimating tools.
Start planning your next pour with precision today.