Lumber Calculator

Calculate board feet and estimate lumber costs for your woodworking and construction projects.

Number of Pieces

Thickness (in)

Width (in)

Length (ft)

Cost per Board Foot ($, optional)

Board feet are calculated as (Thickness x Width x Length) / 12, where thickness and width are in inches and length is in feet.

Enter a price per board foot to get an instant cost estimate for your entire lumber order, helping you stay within budget.

Standard dimensional lumber like 2x4, 2x6, and 2x8 uses nominal sizes. Actual dimensions are slightly smaller due to planing.

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