Board foot (FBM)
A board one foot long, one foot wide and one inch thick: exactly 144 cubic inches. Used to sell lumber in North America.
What is a board foot?
- Symbol
- FBM
- Quantity
- Lumber Volume
- Unit system
- US customary
- Definition
- A board one foot long, one foot wide and one inch thick: exactly 144 cubic inches. Used to sell lumber in North America.
- Exact
- Yes, the value is exact by definition
- Source
- NIST Special Publication 811 (2008), Appendix B.8
Common applications
Used in the US and Canada to price and sell hardwood and softwood lumber.
Board foot in other lumber volume units
- 1 FBM = 0.002359737216 m³Board foot to Cubic meter converter
- 1 FBM ≈ 0.08333333333 ft³Board foot to Cubic foot converter
- 1 FBM = 0.001 MBFThousand board feet
- 1 FBM ≈ 0.0006510416667 cd (wood)Cord
- 1 FBM ≈ 0.005208333333 cd ftCord foot
- 1 FBM = 0.002359737216 stStere
Board foot quick reference
| Board foot | Cubic meter | Cubic foot | Thousand board feet |
|---|---|---|---|
| 1 FBM | = 0.002359737216 m³ | ≈ 0.08333333333 ft³ | = 0.001 MBF |
| 10 FBM | = 0.02359737216 m³ | ≈ 0.8333333333 ft³ | = 0.01 MBF |
| 100 FBM | = 0.2359737216 m³ | ≈ 8.333333333 ft³ | = 0.1 MBF |
| 1000 FBM | = 2.359737216 m³ | ≈ 83.33333333 ft³ | = 1 MBF |
Where the board foot fits
The next larger lumber volume unit is the cubic foot (ft³). 1 FBM ≈ 0.08333333333 ft³, and 1 ft³ = 12 FBM.
Frequently asked questions
- How many cubic meters are in one board foot?
- One board foot = 0.002359737216 m³ (cubic meters).
- How many cubic feet are in one board foot?
- One board foot ≈ 0.08333333333 ft³ (cubic feet).
- How many thousand board feet are in one board foot?
- One board foot = 0.001 MBF (thousand board feet).