Bad Owl Tool: Woodworking

Meet your new woodshop wingman!

Bad Owl Tool is the definitive digital woodworking toolkit for the modern craftsman. Whether you are a hobbyist or running a cabinet shop, it replaces scrap paper math and clunky apps with a single, pro-grade utility set built for carpentry, cabinetry, and fine woodworking.

Stop ruining expensive lumber and epoxy with bad mental math. Enjoy zero distractions, just a comprehensive, no-BS digital toolkit that makes your workflow easier, faster, and more accurate.

THE ULTIMATE WOODWORKER TOOLKIT

BIRDBRAIN AI FOREMAN: Meet your AI woodshop assistant. Get uncompromising advice, generate project blueprints, track orders, and search the Bad Owl shop directly from the bench.

EMC and MOISTURE TRACKER: Calculate Equilibrium Moisture Content using 14-day local weather forecasts. Track individual boards, log readings, and view trends to ensure your lumber is perfectly acclimated.

WOOD MOVEMENT CALCULATOR: Predict seasonal expansion based on USDA Wood Handbook formulas. Input your species and dimensions to generate a Shop Action Plan for exact expansion gaps.

TRIANGLE and ANGLE CALCULATOR: Take the guesswork out of shop geometry. Toggle Side-Angle-Side and Angle-Side-Angle modes to calculate missing angles, verified with automatic right-angle markers.

PICTURE FRAME LAYOUT: Calculate exact side lengths, glass dimensions, rebates, and maximum frame sizes from your stock, complete with visual diagrams.

SEGMENTED TURNING: Plan flawless bowls and geometric patterns. Calculate cut angles, segment lengths, and ring diameters with custom stock allowances.

ARTISTIC RATIOS: Perfect your furniture proportions. Calculate the Golden Ratio, Rule of Thirds, Dynamic Symmetry, Fibonacci, and the Pareto Principle.

BOARD FOOT CALCULATOR: Calculate board feet, estimate lumber costs, explore wood species properties, and determine exact project weights.

EPOXY CALCULATOR and RESCUE: Calculate exact resin needs for river tables. Made a mistake? Use the Part A/B solver to automatically rescue incorrect pours so you do not waste expensive epoxy.

THE APOTHECARY: Explore a curated library of traditional woodshop recipes. Learn to mix shellac, hide glue, and natural stains with safety guides.

PRECISION LEVELS: Turn your phone into an accurate level featuring bullseye/linear modes, surface calibration, and custom zero baselines.

FRACTIONS and CONVERTER: A full-featured fraction calculator that instantly converts decimals to exact, tape-measure-ready fractions.

BANDSAW RADIUS: Calculate minimum cutting radius or enter a target curve to find the perfect blade. Filter by width, TPI, kerf, and material.

TAP and DRILL GUIDE: Find exact drill bit sizes for any tap or screw. Get pilot hole recommendations and clearance sizing tuned for hard vs. softwoods.

FINISH ESTIMATOR: Calculate exact coverage area based on your specific finish to avoid running out mid-coat.

SHOP MATH CONVERTER: Quickly convert length, area, volume, and weight with multi-input fields.

BUILT BY WOODWORKERS
We know what it is like to hunt for a drill chart or guess finish coverage. Bad Owl Tool was built by our family-run woodworking supply business to be a trustworthy companion at your bench. Customize your app to fit your workflow: toggle dark mode, or choose imperial or metric systems.

UNRESTRICTED ACCESS
We built this as an open digital resource, no paywalls, hidden fees, or subscriptions. The app is fully supported by our online shop. Every time you purchase woodworking supplies from us, you help keep these tools accessible for everyone.

Download Bad Owl Tool today and put the sharpest tool in the shop right in your pocket.