Free Board Foot Calculator

Calculate board feet for lumber. Essential for woodworking and buying hardwood lumber priced by the board foot.

inches
inches
feet

Board Feet (per board)

13.33 BF

Total Board Feet13.33 BF

Board Feet (per board) vs Thickness

How to Calculate Board Feet

Formula

Board Feet = (Thickness in inches × Width in inches × Length in feet) / 12

One board foot equals 144 cubic inches of wood. This is the standard measurement for buying and selling hardwood lumber. Thickness and width are in inches, length is in feet.

Example Calculation

A single board 2 inches thick, 8 inches wide, 10 feet long.

  1. 01Board feet = (2 × 8 × 10) / 12 = 160 / 12 = 13.33 BF

Frequently Asked Questions

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