Board Foot Calculator
Calculate lumber board feet from thickness, width, length, quantity and optional waste.
✓ No signup✓ Mobile friendly✓ Clear limitations✓ Browser-first where practical
Recent tools are remembered only on this device.
Planning estimate. Verify final quantities, local codes, manufacturer instructions and site conditions before purchasing materials or carrying out work.
80Board feet
6.67Board feet each
120 ftTotal board length
12Pieces
Why use this board foot calculator?
Board Foot Calculator applies the standard lumber formula using thickness and width in inches and length in feet.
Example
A 1 × 8 × 10 ft board is 6.67 board feet; multiply by quantity for the project total.
Important note
Nominal and actual dressed lumber dimensions differ. Use the dimensions relevant to how your supplier prices lumber.
How to use it
Start with the inputs shown above, review any options or assumptions, then generate the result. Where the tool creates a file, keep the original until you have opened and checked the downloaded output.
Frequently asked questions
Is this tool free?
Yes. The core tool is free to use.
Do I need an account?
No. You can use it without signing up.
Does it work on mobile?
Yes. Toolbox is designed for modern mobile and desktop browsers.