Lumber Calculator
Calculate board feet, linear feet, and total cost for any lumber project. Includes common lumber sizes reference table.
Board Dimensions
Actual thickness
Actual width
8.0 ft
Quantity & Pricing
Total Board Feet
3.50 BF
3.50 BF per piece x 1
Total Linear Feet
8.0 ft
8.0 ft/piece
Estimated Cost
$17.50
@ $5/BF
Volume
504 in³
0.29 ft³
Cost per Piece
$17.50
Breakdown
- Board: 1.5" x 3.5" x 96" (8.0 ft)
- Board feet per piece: (1.5 x 3.5 x 96) / 144 = 3.50 BF
- Total: 3.50 x 1 = 3.50 BF
- Cost: 3.50 BF x $5/BF = $17.50
Common Lumber Sizes Reference
Nominal vs actual dimensions for standard dimensional lumber.
| Nominal | Actual Thickness | Actual Width | BF per 8ft | BF per 12ft |
|---|---|---|---|---|
| 2x4 | 1.5" | 3.5" | 3.5 | 5.3 |
| 2x6 | 1.5" | 5.5" | 5.5 | 8.3 |
| 2x8 | 1.5" | 7.25" | 7.3 | 10.9 |
| 2x10 | 1.5" | 9.25" | 9.3 | 13.9 |
| 2x12 | 1.5" | 11.25" | 11.3 | 16.9 |
| 4x4 | 3.5" | 3.5" | 8.2 | 12.3 |
| 4x6 | 3.5" | 5.5" | 12.8 | 19.3 |
| 6x6 | 5.5" | 5.5" | 20.2 | 30.3 |
| 1x4 | 0.75" | 3.5" | 1.8 | 2.6 |
| 1x6 | 0.75" | 5.5" | 2.8 | 4.1 |
| 1x8 | 0.75" | 7.25" | 3.6 | 5.4 |
| 1x12 | 0.75" | 11.25" | 5.6 | 8.4 |