Board Feet to Cubic Feet (FBM to ft³)
Free online board foot to cubic foot converter. Type a value, get an instant exact result — plus the formula, a ready-made conversion table, and reverse conversion.
VOLUME (LUMBER) CONVERTER — INSTANT RESULT
Formula: multiply the board foot value by 0.083333333 — i.e. ft³ = FBM × 0.083333333
Quick check: 1 FBM = 0.083333333 ft³
Quick check: 1 FBM = 0.083333333 ft³
Board Feet to Cubic Feet conversion table
| Board Feet (FBM) | Cubic Feet (ft³) |
|---|---|
| 1 FBM | 0.083333333 ft³ |
| 2 FBM | 0.16666667 ft³ |
| 3 FBM | 0.25 ft³ |
| 4 FBM | 0.33333333 ft³ |
| 5 FBM | 0.41666667 ft³ |
| 6 FBM | 0.5 ft³ |
| 7 FBM | 0.58333333 ft³ |
| 8 FBM | 0.66666667 ft³ |
| 9 FBM | 0.75 ft³ |
| 10 FBM | 0.83333333 ft³ |
| 15 FBM | 1.25 ft³ |
| 20 FBM | 1.66666667 ft³ |
| 25 FBM | 2.08333333 ft³ |
| 30 FBM | 2.5 ft³ |
| 40 FBM | 3.33333333 ft³ |
| 50 FBM | 4.16666667 ft³ |
| 75 FBM | 6.25 ft³ |
| 100 FBM | 8.33333333 ft³ |
| 250 FBM | 20.83333333 ft³ |
| 500 FBM | 41.66666667 ft³ |
| 1,000 FBM | 83.33333333 ft³ |
How to convert board feet to cubic feet
To convert board feet to cubic feet, multiply the amount in board feet by 0.083333333. For example, 10 FBM = 0.83333333 ft³. To convert in the other direction, divide by the same factor, or use the ⇄ swap button above.
Convert lumber volume units: board feet, cords and cunits. One board foot is 144 cubic inches (12″×12″×1″); a standard cord is 128 ft³ of stacked wood.
Frequently asked questions
How many cubic feet are in one board foot?
One board foot is exactly 0.083333333 cubic feet.
How do I convert FBM to ft³?
Multiply the FBM value by 0.083333333 to get ft³. The converter at the top of this page does this automatically and works in both directions.
How much is 100 board feet in cubic feet?
100 board feet equals 8.33333333 cubic feet.