Board Foot Calculator

Free Online Lumber Volume Calculator for Woodworking Projects

in
Board thickness for lumber volume calculation
in
Board width for lumber calculation
ft
Board length for volume calculation
board feet
Total lumber volume in board feet

Lumber Cost Calculator

$ / board foot
Enter cost per board foot for lumber pricing
$
Total cost for lumber purchase

About This Board Foot Calculator

This free online board foot calculator helps woodworkers, contractors, and lumber professionals quickly calculate lumber volume and costs. Simply enter your board dimensions (thickness, width, and length) to get accurate board foot measurements.

How to Use the Board Foot Calculator

  1. Enter the number of lumber pieces
  2. Input board thickness in your preferred unit
  3. Enter board width with unit conversion
  4. Specify board length for calculation
  5. View instant board foot results
  6. Add lumber pricing for cost estimation

Board Foot Formula

Board feet = (Thickness × Width × Length × Pieces) ÷ 144 (when measurements are in inches)

Supported Units

  • Thickness: inches, millimeters, centimeters, meters, feet
  • Width & Length: All above units plus feet/inches combinations