MyYardCalcHow to use this board foot calculator
One board foot is 144 cubic inches. Enter the dimensions used for your purchase; nominal and actual finished dimensions may differ.
The calculator does not assign lumber grade, species or drying shrinkage. Price is optional and applied to the calculated board-foot volume.
Board feet = thickness (in) × width (in) × length (ft) × board count ÷ 12.
A worked example
With the example values shown below, the calculated result is 40 board ft. These are demonstration inputs, not installation specifications.
View the example measurements
- Board thickness: 1 in
- Board width: 6 in
- Board length: 8 ft
- Number of boards: 10
From estimate to order
Whole packages and pieces round up; measured lengths, areas and volumes keep full precision during calculation. Match the product dimensions and units to your quote, and check cuts, minimum orders and delivery before purchasing.