Cubic foot to Board foot Converter
1 cubic foot is exactly 12 board feet. Convert cubic feet (ft³) to board feet (FBM) below: type a value and the result updates as you type.
ft³ to FBM calculator
Result
Cubic foot to Board foot conversion
1 ft³ = 12 FBMone cubic foot in board feet
1 FBM ≈ 0.08333333333 ft³one board foot in cubic feet
Cubic foot (ft³): A cube one foot on each side.
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.
Source:Cubic foot: International yard and pound agreement (1959); Board foot: NIST Special Publication 811 (2008), Appendix B.8
How to convert cubic feet to board feet
To convert cubic feet to board feet, multiply the number of cubic feet by 12.
Formula
FBM = ft³ × 12
Examples
- 5 ft³ = 5 × 12 = 60 FBM
- 25 ft³ = 25 × 12 = 300 FBM
- 100 ft³ = 100 × 12 = 1200 FBM
Cubic foot to Board foot conversion table
| Cubic foot (ft³) | Board foot (FBM) |
|---|---|
| 0.1 ft³ | 1.2 FBM |
| 0.5 ft³ | 6 FBM |
| 1 ft³ | 12 FBM |
| 2 ft³ | 24 FBM |
| 3 ft³ | 36 FBM |
| 5 ft³ | 60 FBM |
| 10 ft³ | 120 FBM |
| 20 ft³ | 240 FBM |
| 25 ft³ | 300 FBM |
| 50 ft³ | 600 FBM |
| 100 ft³ | 1200 FBM |
| 250 ft³ | 3000 FBM |
| 500 ft³ | 6000 FBM |
| 1000 ft³ | 12000 FBM |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many board feet are in one cubic foot?
- One cubic foot is exactly 12 board feet.
- How do I convert board feet to cubic feet?
- To convert board feet to cubic feet, divide the number of board feet by 12. The formula is ft³ = FBM ÷ 12.
- Is this conversion exact?
- Yes. Both units have exact definitions and the factor 12 is exact. Displayed results are only rounded when they have many decimal places.
- Which is larger, a cubic foot or a board foot?
- A cubic foot is 12 times larger than a board foot. In other words, a board foot is exactly 1/12 of a cubic foot.