Board foot calculator

Calculate board feet (a unit of measurement for lumber) based on width, thickness, and length

Input Parameters

Calculation Results

Calculation Formula

Board Foot = (Width × Thickness × Length) ÷ 12

Where:
Width: The width of the lumber in inches
Thickness: The thickness of the lumber in inches
Length: The length of the lumber in feet
The result is in board feet

Result

Board feet: 0.00

Board foot calculator Calculator Usage Guide

Learn how to use the Board foot calculator and its working principles

What is a Board Foot?

A board foot is a unit of measurement for lumber that equals 1 inch thick, 12 inches wide, and 1 foot long. It's commonly used in the woodworking industry to measure the volume of lumber.

How to Use the Calculator

  1. Enter the width of your lumber in inches
  2. Enter the thickness of your lumber in inches
  3. Enter the length of your lumber in feet
  4. Click the "Calculate" button to get the board footage

Example

If you have a 2x4 board that is 8 feet long, the board footage would be:

Width = 2 inches
Thickness = 4 inches
Length = 8 feet

Board Foot = (2 × 4 × 8) ÷ 12 = 5.33 board feet

Applications

Board footage calculations are essential for:

  • Estimating material needs for projects
  • Calculating costs for lumber
  • Understanding lumber dimensions in woodworking