Board Foot Calculator

Calculate board feet for lumber and woodworking projects. Convert lumber dimensions to board feet for accurate material estimation and cost calculation with professional precision.

Calculation Mode

Lumber Dimensions

inches
0.25" 12"
inches
1" 24"
1 ft 20 ft
pieces
1 100

Additional Options

Select wood type for price estimates
%
0% 50%
Add extra lumber for cuts and waste
Total Board Feet
4.4
Including 10% waste factor
Base Board Feet
4.0 BF
Total Pieces
1
Total Volume
48 in³
Estimated Cost
$22

Board Feet Breakdown

How to Use the Board Foot Calculator

Board Foot Formula

Board feet = (Thickness × Width × Length) ÷ 144. Enter dimensions in inches for thickness and width, length can be in feet or inches. The calculator handles conversions automatically.

Wood Selection

Choose your wood type for accurate pricing estimates. Different wood species have varying costs, hardness, and working properties that affect your project planning.

Waste Planning

Add a waste factor to account for cuts, mistakes, and defects. Typical waste factors range from 10-20% depending on project complexity and your skill level.