How it works
Board feet = thickness × width × length × quantity ÷ 12; cost = board feet × price.
Input definitions
- Nominal thickness (in)
- Enter the value in the labeled unit.
- Nominal width (in)
- Enter the value in the labeled unit.
- Length per board (ft)
- Enter the value in the labeled unit.
- Board quantity
- Enter the value in the labeled unit.
- Price per board foot
- Enter the value in the labeled unit.
A worked example
- Nominal thickness (in)
- 2
- Nominal width (in)
- 6
- Length per board (ft)
- 8
- Board quantity
- 20
- Price per board foot
- 4.25
Assumptions & limits
Uses only the values entered. Rates are illustrative inputs, not live quotes, legal rules or personalised advice. Check provider terms, local requirements and measurements before acting.
Sources & review
Maintained by AnsRio. Methods and examples use automated checks; this does not imply independent professional certification.
Method updated 2026-10-19. Content checked against the stated method and examples. Our verification approach.
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Common questions
Should nominal or actual dimensions be entered?
Pricing commonly uses nominal dimensions, while structural and finished dimensions may differ. Match the supplier’s convention.
How does Lumber board feet and cost calculate the result?
Board feet = thickness × width × length × quantity ÷ 12; cost = board feet × price.
What should I verify before using Lumber board feet and cost?
Uses only the values entered. Rates are illustrative inputs, not live quotes, legal rules or personalised advice. Check provider terms, local requirements and measurements before acting.