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Board Foot Calculator
Calculate board feet for lumber (thickness × width × length ÷ 12) and total cost at your price per board foot.
Board Foot Calculator
Board feet20 × 2″ × 6″ × 10 ft
Cost
$900
Cubic metres
0.472
Board foot = thickness (in) × width (in) × length (ft) ÷ 12, using nominal dimensions.
Planning estimates only. Building codes, loads and material specs vary — have a licensed engineer or contractor confirm quantities and safety requirements. Disclaimer
Important
Quantity estimates for planning and ordering. Structural members, reinforcement and footings must be designed by a qualified engineer to local code.
Frequently asked questions
Is my data uploaded?
No. The calculation runs entirely in your browser — nothing you type is sent to a server.
Is it free?
Yes — free, unlimited and no sign-up.