About
About the Board Foot Calculator & Nathan Cole
This site exists because I watched too many people overpay at the lumber counter for one reason: they didn't know how board feet work, and the person selling did. The calculator and guides here are the cheat sheet I wish every buyer walked in with.
Nathan Cole, Senior Lumber Buyer
I've spent over 18 years on the buying side of the lumber trade. From 2007 to 2014 I bought and priced hardwood — walnut, oak, maple, and cherry — which is where I learned how surface measure, grading, and quarter thickness really move a price. The rules aren't a scam, but they reward whoever understands them.
From 2014 to 2021 I worked as a material planning consultant for furniture projects, cabinet shops, and millwork operations, estimating board feet and managing waste on jobs where a 10% miscalculation meant a four-figure overrun. Since 2021 I've been an independent lumber planning advisor focused on board foot estimation, procurement, and material optimization.
How I built the calculator
Every formula here mirrors how lumber is actually sold: nominal sizing for softwood, surface measure with NHLA quarter rounding for hardwood, and Doyle, Scribner, and International ¼ for logs. I didn't simplify the math to make it look clean — I matched it to the invoice you'll get, because a calculator that disagrees with the yard is worse than useless. That's also why I wrote why calculators disagree.
The BuildCalcHub Research Team
BuildCalcHub is the Smart Lumber Planning Platform behind this site. The research team checks each chart against published grading rules and supplier price sheets, and we update figures when the underlying standards or typical market prices change. Prices shown are planning estimates, not quotes — they move with the market.
What we won't do
We don't post fake reviews or invent star ratings, and we don't bury the real number behind a hidden waste markup. The main calculator shows net board feet first and lets you add waste deliberately. If something here is wrong, I want to fix it — reach me on the contact page.
Start here
New to board feet? Begin with what is a board foot and the step-by-step how to calculate board feet. Heading to the yard today? Grab the cheat sheet and the buyer routine in how to buy lumber by the board foot.