๐งฑ Construction
Lumber Calculator
A board foot is 144 cubic inches of wood โ a piece one inch thick, one foot wide and one foot long. Lumber is priced per board foot, and nominal sizes like 2 ร 4 are bigger than the actual dressed dimensions.
How it works
Nominal thickness
Nominal width
Length per piece
Number of pieces
Price per board foot
Board feet per piece
Total board feet
Total linear feet
Total cost
Frequently asked questions
How do I use the Lumber Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.