Board Feet Calculator Convert thickness, width, and length into board feet for any piece of lumber. Cut List Optimiser Arrange cuts on sheets or boards to minimise offcuts and material waste. Lumber Cost Estimator Price up a full cut list at your local board-foot or linear-foot rate. Shelf Load Calculator Find the maximum safe load for a shelf given span, species, and thickness. Wood Shrinkage Calculator Predict how much a board will expand or contract as moisture content changes. Finishing Coverage Calculator Work out how much stain, oil, or topcoat you need for a given surface area. Stair Stringer Calculator Calculate rise, run, angle, and stringer length for a straight staircase. Plywood Sheet Calculator Work out how many full panels you need from a parts list.
Miter Angle Calculator Find single and compound miter angles for any polygon or crown moulding. Mortise & Tenon Calculator Size tenon thickness, width, and length proportionally to the workpiece. Dovetail Layout Calculator Lay out pin and tail spacing, slope ratio, and baseline depth for hand-cut dovetails. Box Joint Calculator Calculate finger width and spacing for perfectly fitted box joints at any box width. Pocket Hole Calculator Determine drill angle, depth stop, and screw length for pocket-hole joinery. Dado & Rabbet Sizer Size dado width and depth for shelf pins, drawer bottoms, and back panels. Dowel Joint Calculator Calculate dowel diameter, spacing, and depth for face-grain and edge-grain joints. Frame & Panel Calculator Compute rail, stile, and floating panel dimensions for cabinet doors and frames.
Timber Species Database Search 200+ species for Janka hardness, workability, grain pattern, and typical uses. Janka Hardness Chart Compare flooring and furniture species by hardness rating side by side. Lumber Grade Guide Understand hardwood and softwood grading systems and which grade to buy for your project. Wood Moisture Content Guide Safe equilibrium MC levels for furniture, flooring, exterior, and structural timber. Sandpaper Grit Guide Which grit sequence to use at each stage — from rough shaping to final polishing. Wood Finish Comparison Compare penetrating oils, waxes, lacquers, varnishes, and film finishes side by side. Screw & Fastener Guide Match screw gauge, length, and thread type to your joinery application and species. Pilot Hole & Drill Bit Chart Look up the correct pilot hole diameter for any screw gauge in softwood or hardwood.
Fraction ↔ Decimal Converter Instantly convert between fractional inch measurements and their decimal equivalents. Imperial ↔ Metric Converter Convert inches, feet, and board feet to millimetres, metres, and cubic metres. Nominal vs Actual Lumber Sizes A lookup table explaining why a 2×4 is really 1½" × 3½" — and every other common size. Wood Drying Time Estimator Estimate air-drying time for green or wet lumber by species and board thickness. Glue Coverage Calculator Calculate how much adhesive you need for edge glue-ups and large panel laminations. Router Bit Speed Reference Find the correct RPM range for your bit diameter and material to prevent burning.