Lumber Board Feet Converter
Calculate board feet for lumber with nominal vs actual dimensions and volume conversions
Board Feet Calculation
Per Piece
5.333 BF
Total (1 pieces)
5.333 BF
Linear Feet
8 LF
Actual Size
1.5" × 3.5"
Volume & Weight
Cubic Feet
0.292 ft³
Cubic Meters
0.008 m³
Est. Weight (Pine)
10.208 lbs
Est. Weight
4.63 kg
Nominal vs Actual Sizes
| Nominal | Actual (inches) | Actual (mm) |
|---|---|---|
| 1x2 | 0.75" × 1.5" | 19.05 × 38.1 |
| 1x3 | 0.75" × 2.5" | 19.05 × 63.5 |
| 1x4 | 0.75" × 3.5" | 19.05 × 88.9 |
| 1x6 | 0.75" × 5.5" | 19.05 × 139.7 |
| 1x8 | 0.75" × 7.25" | 19.05 × 184.15 |
| 1x10 | 0.75" × 9.25" | 19.05 × 234.95 |
| 1x12 | 0.75" × 11.25" | 19.05 × 285.75 |
| 2x2 | 1.5" × 1.5" | 38.1 × 38.1 |
| 2x3 | 1.5" × 2.5" | 38.1 × 63.5 |
| 2x4 | 1.5" × 3.5" | 38.1 × 88.9 |
| 2x6 | 1.5" × 5.5" | 38.1 × 139.7 |
| 2x8 | 1.5" × 7.25" | 38.1 × 184.15 |
| 2x10 | 1.5" × 9.25" | 38.1 × 234.95 |
| 2x12 | 1.5" × 11.25" | 38.1 × 285.75 |
| 4x4 | 3.5" × 3.5" | 88.9 × 88.9 |
| 4x6 | 3.5" × 5.5" | 88.9 × 139.7 |
| 6x6 | 5.5" × 5.5" | 139.7 × 139.7 |
About Board Feet
Board Foot (BF): A unit of lumber volume equal to 144 cubic inches (1" × 12" × 12").
Formula: Board Feet = (Thickness × Width × Length) ÷ 144 (all in inches) or (T × W × L) ÷ 12 (L in feet)
Note: Board feet calculations traditionally use nominal dimensions, not actual dimensions.