How to Calculate Board Feet
Board Feet = Thickness (in) x Width (in) x Length (ft) / 12
One board foot = 144 cubic inches = 1/12 cubic foot
Common Lumber Sizes
- 4/4 (1 inch): Standard thickness for furniture stock
- 6/4 (1.5 inch): Common for table tops and thick panels
- 8/4 (2 inch): Used for turning blanks and heavy furniture
- 12/4 (3 inch): Used for posts, large turnings
Frequently Asked Questions
What is a board foot? A board foot is the standard unit of measure for hardwood lumber. It equals 144 cubic inches (1" thick x 12" wide x 12" long).
How much waste should I plan for? A 10-15% waste factor is typical for most projects, accounting for defects, saw kerf, and jointing.