All 35 Tools
Click any tool to open it. Every tool is a standalone page that works without this index.
Lumber & Material Calculators
Board Foot Calculator
Single piece or project pack — with waste factor, cost-per-BF comparison, and dimensional drawing.
Wood Movement Calculator
Tangential and radial shrinkage across seasonal humidity — with cut-direction advice.
Wood Weight Calculator
Shipping weight, workbench load, vehicle payload — 30+ species densities built in.
Lumber Cost Estimator
Catch the "hidden 30%" — waste, hardware, finishing consumables, and shop time.
Acclimation Planner
How long stock must rest before machining — based on moisture delta and thickness.
Wood Species Lookup
Filter 40+ species by hardness, workability, project fit, and finish behavior.
Cutting Board Builder
Layout, material, glue, and finish requirements for edge-grain and end-grain boards.
Cut & Joinery Calculators
Miter Angle Calculator
Polygon frames with miter + bevel for compound cuts. Spring angle built in for crown.
Dovetail Calculator
Through, half-blind, and sliding dovetails — with ratio hints per wood species.
Mortise & Tenon Calculator
Tenon thickness rules, hollow vs square mortise, draw-bore offset math.
Cut List Optimizer
Pack parts onto stock with kerf, grain direction, and waste visualization.
Crown Molding Calculator
Inside/outside corners with spring angle — flat-on-miter-saw orientation.
Picture Frame Miter
Stock-length math so you don't come up short on the last 45° cut.
Saw Blade Selector
Match tooth count, hook, and grind to the cut and the wood.
Finishing Calculators
Stain Coverage Calculator
How much stain for the job — with surface prep, wood porosity, and coats visualizer.
Finish Coverage Calculator
Poly, lacquer, shellac, oil — coverage rates and number of coats per surface.
Sandpaper Grit Guide
Generate a grit progression by starting surface and target smoothness.
Drying Time Estimator
Recoat, sand, and full-cure times adjusted for humidity and temperature.
Stain Color Mixer
Pick a target color, get a base + tint recipe using common stain brands.
Edge Profile Reference
Browse router bit edge profiles with use cases and visual diagrams.
Workshop Calculators
Router Bit Speed
RPM by bit diameter + wood species, with safe feed-rate ranges.
Planer Thickness Pass
Max cut per pass by species, board width, and horsepower.
Chisel Sharpening Angle
Pick the right bevel angle by wood hardness and whether you're paring or chopping.
Glue Open Time
Working time for PVA, hide, epoxy, and polyurethane — adjusted for shop temp.
Turning Spindle Sizing
Stable turning dimensions for table legs, newels, and balusters.
Steam Bending Time
Soak duration by thickness and species — with species feasibility ratings.
Blade Tooth Geometry
Hook angle, kerf, and tooth pitch recommendations per cut type.
Dust Collection CFM
Size your collector and duct work — CFM by tool, duct diameter, static pressure loss.
Workbench Height
Optimal bench height by user height, task, and posture — with stick-figure reference.
Design & Engineering
Beam Load Calculator
Estimate shelf, mantel, and span load with a safety factor and sag warning.
Drawer Slide Sizing
Length, load rating, and clearance for side-mount, under-mount, and center-mount slides.
Cabinet Door Sizing
Inset, full overlay, partial overlay — door size and reveal math.
Joinery Strength Compare
Side-by-side strength, skill needed, and best-use scenarios for common joints.
Wood Hardness Compare
Janka hardness filter — pick a project type and get ranked recommendations.
Grain Direction Advisor
Quartersawn vs flatsawn guidance, plus tear-out prediction for figured woods.