Calculate lumber board feet, waste allowance, and project cost by board size. This free board foot calculator is private and needs no signup.
Enter thickness and width in inches, and length in feet.
Line total: 4.00 board feet
Total to purchase
4.40
board feet
Net lumber
4.00 bd ft
Waste added
0.40 bd ft
Formula
Thickness (in) x width (in) x length (ft) / 12 x quantity
The Board Foot Calculator is one of Intellure's free tools for estimating rough and hardwood lumber in standard US measurements. Enter the thickness and width in inches, length in feet, and quantity for each board size to calculate total board feet for an entire project. Add a waste allowance for cuts and defects, then enter a price per board foot to estimate your lumber cost in US dollars. This browser-based lumber calculator is useful for woodworkers, cabinetmakers, sawmills, builders, and DIY projects, with no upload, account, or signup. It also shows the board foot formula clearly so you can check an estimate before ordering wood. Intellure's managed AI employee can handle the wider customer work by answering questions, following up with leads, and booking appointments 24/7.
Woodworking and lumber customers ask about stock, custom cuts, quotes, and lead times before they buy. Intellure gives your business a managed AI employee on a flexible monthly plan built around your budget that answers customers, handles sales and marketing, follows up with leads, and books consultations 24/7 across WhatsApp, Instagram, and your website.
See the plans