Lumber calculator: board feet & cost, feet-inch fractions, spacing, cut lists
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Board foot calculator and lumber calculator for the lumber yard and the workshop.
WoodShop Toolkit brings board feet, lumber cost, feet-and-inch fractions, even spacing and cut lists into one woodworking calculator. Projects and calculations are stored on your device. No account or subscription is required.
BOARD FOOT CALCULATOR & LUMBER COST
Enter nominal or actual (measured) dimensions, hardwood quarter sizes such as 4/4 and 8/4, and several boards in one tally. Price by the board foot, per piece or per cubic meter. See material cost, an optional extra-purchase allowance and your estimated budget separately.
FEET AND INCHES CALCULATOR
Add, subtract, multiply and divide mixed numbers and feet-and-inch measurements like 3' 2 1/2" on a keypad built for fractions. Round to 1/16, 1/32 or 1/64 inch, see millimeters alongside and keep your recent calculations.
SPACING CALCULATOR
Lay out balusters, pickets, spindles, slats or shelves with equal gaps or on-center spacing, with or without a piece at each end. A diagram and a position table you can copy show where every piece goes.
CUT LIST FOR SHEETS AND BOARDS
Plan plywood and sheet cuts in 2D and board cuts in 1D, with grain direction, saw kerf, edge trim and the stock you actually have. Use Fast search or let Deep search try more layouts. Review each sheet or board, the cut order, parts that do not fit, reusable offcuts and a shopping list of the stock used.
LUMBER SIZES REFERENCE
Look up nominal and actual lumber dimensions, hardwood quarter thicknesses and plywood and MDF sizes, and convert units.
PRINT AND KEEP YOUR WORK
Export cut diagrams and board-foot tallies as Letter or A4 PDFs. Save projects, paste or import CSV parts, share project files and create a local backup.
FREE AND ONE-TIME UPGRADES
Free includes every calculator, Fast and Deep search, full on-screen results, up to 25 part rows, two stock types and three saved projects. One new PDF per day is available without watching an ad; optional rewarded ads can unlock additional exports.
Remove Ads removes advertising but keeps the Free feature limits and daily PDF allowance. Pro is a separate one-time purchase that removes commercial limits on parts, stock, projects and PDFs, adds the Fewest cuts priority and PDFs without WoodShop branding, and removes ads. Device processing limits still apply.
Core calculations work offline. Purchasing, restoring purchases on a new device and loading rewarded ads require the relevant online services. Google's advertising and purchase services may process their own data as described in our privacy policy and Data safety section.
Always measure and verify before cutting. Reference sizes vary by supplier. Cutting diagrams are scaled guides, not full-size templates or structural advice.