Lumber & Deck Tools
Use these lumber calculators to estimate board feet, linear feet, and material quantities for framing, decking, and general construction. Enter dimensions to convert length, width, and thickness into accurate board-foot totals before ordering materials.
This page groups all lumber estimation tools in one place so you can quickly calculate framing studs, decking boards, and dimensional lumber needs.
Common Lumber Conversions
| Lumber Size | Board Feet (8 ft length) |
|---|---|
| 2x4 | 5.33 board feet |
| 2x6 | 8 board feet |
| 2x8 | 10.67 board feet |
| 4x4 | 10.67 board feet |
Most Used
All Lumber & Deck Tools
Lumber Estimating FAQs
What is a board foot?
A board foot equals 12" x 12" x 1" of lumber. Multiply thickness x width x length (in feet) and divide by 12.
How much extra lumber should I order?
Add 5-15% extra to account for cuts, defects, and waste.
What is dimensional lumber?
Dimensional lumber refers to standard cut sizes like 2x4, 2x6, and 2x8 used in framing and construction.