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.
💡
Help us improve!
How would you rate the Lumber Board Feet Converter?
Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
📚
Formula Source: NIST Guide to SI Units
by National Institute of Standards
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.