Essential reference tables for woodworking, metalworking, and electrical projects. Print them out or bookmark for quick access.
Quick reference for drill bits, taps, and pilot holes.
Complete drill bit reference with fractional, number, letter, and metric sizes. Includes tap drill charts.
CFM requirements by machine and duct size, plus how to size a dust collector for your shop.
Average CFM at 90 PSI for 25+ air tools, plus the 1.5x compressor sizing rule and size classes.
SAE and metric socket sizes by bolt, drive sizes, and 6-point vs 12-point explained.
SAE and metric wrench sizes by bolt, with an SAE-to-metric cross-reference.
SAE and metric hex key sizes, plus the right key for each socket-head and set screw.
UNC, UNF, and metric thread pitch / TPI with major diameters for every common size.
Pick the right cord gauge by tool amps and length, with common tool amp draws.
Pilot hole sizes for wood screws #2-#14, deck screws, lag bolts. Hardwood vs softwood recommendations.
Complete wood screw reference with gauge sizes, lengths, head types, and material recommendations.
Screw length and jig setting for every wood thickness, plus coarse vs fine thread selection.
Torque specifications for SAE and metric bolts by grade. Includes dry and lubricated values.
Complete Forstner bit reference with sizes, speeds, and applications. Flat-bottom hole drilling guide for woodworking.
Recommended drill press RPM by bit size and material (wood, metal, plastic) plus Forstner/spade speeds and the SFM formula.
Machining cutting speeds (SFM) by material, spindle RPM by diameter, and milling chip load, with the RPM and feed-rate formulas.
Board feet, cut lists and dust runs all assume a machine on the other end. These are the ones that show up most across the calculators here.
DEWALT DWS780 12 in Sliding Miter Saw
Double bevel sliding cut, the saw most shop layouts here are built around
Check price on Amazon →
DEWALT DW734 12-1/2 in Benchtop Planer
Three-knife cutterhead, the cheapest route to dimensioning your own stock
Check price on Amazon →
DEWALT DW618PK Router Kit
Fixed and plunge bases in one kit, which covers table and handheld work
Check price on Amazon →
Central Machinery 2 HP Dust Collector
Two horsepower at five micron, sized for a one-person shop rather than a vac
Check price on Amazon →As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Prices change, so check before buying.
Dimensional lumber, plywood thickness, and wood properties.
Nominal vs actual lumber sizes, plywood thickness, hardwood quarter designations, and board feet calculations.
Janka hardness ratings for 55+ wood species. Searchable and sortable with workability notes.
CAMI/FEPA grit conversion, recommended progressions by project type, and abrasive material guide.
Open time, clamp time, and full cure time for PVA, polyurethane, hide, CA, and epoxy glues, plus temperature effects.
Reference guides for router bits, saw blades, and cutting tools.
Complete router bit reference with profiles, speeds, and applications for edge treatments and joinery.
Saw blade selection guide with tooth counts, blade types, and material recommendations for clean cuts.
Complete nail gun sizing reference. Brad nails, finish nails, framing nails with gauge, length, and application guide.
Chain pitch, gauge, drive link sizing. Bar matching guide with Oregon, Stihl, and Husqvarna cross-reference tables.
Feed rates and speeds for wood, aluminum, acrylic, HDPE, and foam. Chip load calculations and bit selection guide.
Wire gauges, ampacity, and electrical reference.
Welding settings, metal specifications, and fabrication reference.
MIG, TIG, and stick welding settings by material thickness. Includes wire speed, amperage, and gas flow rates.
Complete electrode reference: E6010-E7024, stainless rods, amperage tables, storage guide, and rod selection by metal type.
Need to calculate specific values? Try these free calculators.