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119 tools. 7 topics. One place to find what you need.
3-jaw gear puller by part OD
Match measured bearing, gear, or pulley outside diameter to a 3 / 4 / 6 / 8 in max-spread 3-jaw puller class — or NO_MATCH below 0.5 in or above the 8 in ceiling.
Air compressor CFM calculator
Estimate required air delivery from pneumatic tool demand and duty cycle.
Air hose sizing tool
Check hose diameter and run length against the airflow required by your pneumatic tool.
Angle grinder disc size tool
Match needed disc diameter to 4.5 / 5 / 7 in corded angle-grinder classes with verified merchant links.
Arbor press sizing tool
Match required force to 0.5 / 1 / 3 ton manual arbor press classes with verified merchant links.
Bandsaw blade length calculator
Estimate blade length from wheel diameter and spacing, then compare available length classes.
Bathroom exhaust CFM calculator
Estimate bathroom exhaust fan CFM class from floor area and moisture load.
Battery charger amp class calculator
Match battery amp-hours to an 8, 20, or 35 A smart charger using a C/10 starting current.
Belt+disc sander by belt width
Compare belt+disc sanders from needed sanding belt width in inches.
Bench vise opening selector
Compare bench vise classes against the jaw opening your workpiece needs.
Board foot calculator
Calculate lumber volume from thickness, width, length and board count.
Bolt cutter size tool
Match soft-stock diameter to 8 / 14 / 18 / 24 in bolt-cutter classes with verified merchant links.
Bottle jack capacity calculator
Estimate a bottle jack capacity class from vehicle gross weight.
Brake bleeder tank calculator
Size a brake fluid pressure bleeder by estimated flush volume across 2, 3, and 5 L tank classes.
Cable cutter mm² calculator
Match soft copper or aluminum cable cross-section in mm² to a 240, 400, or 500 mm² ratchet cutter class.
Cable puller sizing tool
Estimate a cable puller capacity class from the weight you need to pull.
Caster size selector
Compare plate caster classes from total loaded cart or bench weight.
CNC chip load (IPT)
Compute machining chip load (inches per tooth) from feed rate, spindle RPM, and flute count.
Concrete slab volume (yd³)
Estimate rectangular slab volume in cubic feet and yards plus bag count from length, width, and thickness.
Cordless impact ft-lb class calculator
Match fastener breakaway torque and rust factor to a 280 or 900 ft-lb cordless impact shopping class — or NO_MATCH when the job exceeds this ladder.
Cylinder lateral wrap area
Compute lateral surface area of a right circular cylinder from diameter and length for wrap or paint.
Dehumidifier pints calculator
Estimate commercial dehumidifier class from floor area and moisture load.
Drum fan CFM calculator
Match room volume and target ACH to a 20, 24, or 30 in high-velocity drum fan.
Drywall lift height calculator
Match ceiling height and panel size to an 11 or 16 ft / 150 lb drywall panel lift — or NO_MATCH when weight or height exceed this ladder.
Dust collector CFM calculator
Estimate required dust collector airflow from tool CFM and duct factor.
Engine hoist boom capacity
Check engine and attachment weight against the capacity at a selected boom position.
Engine stand capacity calculator
Size a rotating engine stand by dressed engine weight plus extras with a 1.25 margin across 750, 1,300, and 1,500 lb classes.
Evaporative cooler size calculator
Estimate portable evaporative cooler CFM class from floor area and ventilation.
Extension cord AWG voltage-drop calculator
Enter tool amps, one-way cord length, voltage, and drop limit to get recommended copper AWG, voltage at the tool, and an optional 16/14/12 AWG shopping class — or NO_MATCH.
F-clamp opening size tool
Match needed opening to 6 / 12 / 24 / 36 in F-clamp classes with verified merchant links.
Floor jack sizing calculator
Estimate a floor jack capacity class from vehicle gross weight.
Fuel transfer pump GPM calculator
Match tank gallons and fill time to a 10, 15, or 20 GPM fuel transfer pump — gasoline skips diesel-only 10 GPM.
Garage heater BTU calculator
Estimate garage heating demand from dimensions, insulation and temperature rise.
Garage shelving size selector
Compare garage shelving classes from heaviest single-shelf load.
Gear tooth ratio and RPM
Compute gear ratio and driven RPM from tooth counts and driver RPM for spur-gear screening.
Generator wattage calculator
Compare generator output classes against running loads and starting surges.
Gravel tons from volume
Estimate gravel or aggregate tons from bed length, width, depth, and bulk density.
Grease gun PSI calculator
Size a manual grease gun by required fitting pressure across 6,000, 8,000, and 10,000 PSI classes.
Hand chain hoist capacity
Compare hoist capacity classes using the combined weight of your load and rigging.
Hand plate shear length calculator
Size a benchtop hand plate shear by required straight cut width across 6, 8, and 12 in blade classes.
Hand truck size selector
Compare hand truck classes from heaviest single load weight.
Heat press platen size selector
Compare heat presses from design width and height in inches.
Hole saw diameter tool
Match needed hole diameter to 68 / 114 / 200 mm hole-saw kit classes with verified merchant links.
HVAC vacuum pump sizing
Compare vacuum pump airflow classes using system cooling capacity.
Hydraulic cylinder force
Compute theoretical hydraulic cylinder extension force from bore and pressure.
Induction bolt heater size calculator
Estimate magnetic induction bolt-heater watt class from fastener diameter and rust severity.
Jack stand capacity calculator
Estimate a support stand pair capacity class from vehicle gross weight.
Jump starter sizing tool
Compare jump starter classes using engine displacement and fuel type.
LED strip watts and amps
Compute LED strip total wattage and approximate 12 V current from length and watts per foot.
LED work light size selector
Compare portable LED work-light lumen classes from floor area.
Lever mechanical advantage
Compute ideal lever mechanical advantage from effort arm and load arm lengths before a pry setup.
Loading ramp capacity calculator
Match equipment weight to a 1000, 1500, or 2000 lb published loading-ramp pair rating.
Log splitter tonnage calculator
Compare splitter classes using log diameter, wood hardness and condition.
Magnetic drill capacity calculator
Size a portable magnetic drill by required annular-cutter hole diameter across 35, 50, and 60 mm classes.
Manual tile cutter length calculator
Size a manual snap tile cutter by required cutting length across 24, 31.5, and 47 in classes, including square diagonals.
Mechanic creeper capacity calculator
Estimate a mechanic creeper capacity class from body weight plus tools on the creeper.
MIG welder amp sizing
Estimate a starting amperage and welder class for mild steel thickness.
Motorcycle lift capacity calculator
Size a motorcycle lift from curb weight plus accessories with a 25% margin against 1100 and 1500 lb classes.
NOAA heat index (°F)
Compute NWS heat-index apparent temperature from air temperature and relative humidity.
NOAA wind chill (°F)
Compute NWS/NOAA wind-chill temperature from air temperature and wind speed for outdoor planning.
NPT pipe threader calculator
Match nominal NPT pipe size to a 1 in, 1-1/4 in, or 2 in ratchet threader die class.
Ohm's law power
Compute electrical power from voltage and current using P = V × I.
Oil drain pan capacity calculator
Estimate an oil drain pan capacity class from engine oil fill and oil-change job count.
Oil extractor tank size calculator
Match sump quarts, drains before empty, and freeboard to a 6.5 or 15 L vacuum oil extractor — or NO_MATCH when the job exceeds this ladder.
Oil filter cap socket by mm OD
Match measured oil-filter cap outside diameter in millimeters to a 7 / 14 / 30-piece VEVOR US socket set — or NO_MATCH below 24 mm, in the 39–64 mm gap, or above 108 mm.
Open V-belt length (in)
Estimate open-drive belt length from two pulley diameters and center distance.
Orifice discharge (GPM)
Estimate orifice discharge in GPM from Cd, diameter, and head using the orifice equation.
Paint coverage gallons
Estimate paint gallons from area, coats, and coverage rate.
Paint selector & coverage
Choose a finish and estimate paint for your next project.
Pallet jack capacity calculator
Combine cargo and pallet weight to compare manual pallet jack capacity classes.
Parallel clamp opening size tool
Match needed jaw opening to 24 / 30 / 36 in parallel-clamp classes with verified merchant links.
Parts washer capacity calculator
Match longest part length, batch size, and soil type to a 5 or 40 gal recirculating parts washer — or NO_MATCH when parts exceed the shop ladder.
Pipe cutter OD size tool
Match measured pipe OD to 1.125 / 2 / 2.5 in manual cutter classes with verified merchant links.
Pipe cylinder volume (gal)
Compute internal cylinder volume of a round pipe section in US gallons.
Plasma cutter sizing tool
Match mild-steel clean-cut thickness to 40 / 50 / 65 A plasma classes with verified merchant links.
Plate compactor size selector
Compare plate compactors from target compaction force.
Pop rivet mm calculator
Match blind rivet diameter in millimeters to a 32, 48, or 64 class (3.2 / 4.8 / 6.4 mm) setter ladder.
Porta-power kit by required tons
Map required push/pull/lift force and duty (ram vs spreader) to a 4 / 10 / 12 ton porta-power kit — or NO_MATCH above the ladder and for spreader loads over ~0.5 ton.
Post-hole auger bit by hole diameter
Map the finished hole diameter you need in inches to a 6, 8, or 10 in earth-auger bit class, or get an explicit NO_MATCH for larger holes.
Power ratio in decibels
Compute power ratio in decibels from two power levels for audio or RF screening notes.
Pressure washer sizing tool
Compare pressure washer types and cleaning output for the selected cleaning job.
Pulley speed ratio
Estimate driven pulley RPM from driver RPM and two pulley diameters.
Pump affinity flow (Q₂)
Estimate new pump flow from the affinity law when only shaft speed changes.
Ratchet strap WLL calculator
Size FMCSA-style aggregate WLL and tiedown count to 3,333 / 4,000 lb ratchet strap classes with verified merchant links.
RC time constant (τ)
Compute RC time constant τ=RC and the approximate 5τ settling time for timing screens.
Rebar cutter mm calculator
Match rebar diameter in millimeters to a 16, 20, or 25 mm portable electric hydraulic cutter class.
Rectangular duct equivalent diameter
Estimate equivalent round duct diameter for a rectangular duct using the ASHRAE-style relation.
Refrigerant recovery tank by charge lb
Match estimated recoverable charge to a 30 or 50 lb recovery cylinder using an 80% shopping ceiling — or NO_MATCH above 40 lb.
Retractable garden hose reel reach calculator
Match farthest garden watering reach from a wall mount to a 50 or 100 ft retractable reel shopping class — or NO_MATCH when reach exceeds this ladder.
Reynolds number (Re)
Compute Reynolds number Re=ρVD/μ for laminar vs transitional vs turbulent pipe-flow screening.
Right-triangle hypotenuse
Compute the hypotenuse of a right triangle from the two leg lengths for stock or layout checks.
Rivet nut tool sizing calculator
Estimate a rivet-nut hand-tool kit class from the largest metric M size you need.
Roof pitch angle and slope
Convert roof rise and run into pitch angle, percent slope, and X-in-12 pitch for roofing discussions.
Room acoustics calculator
Explore reverberation time and acoustic panel planning.
Round duct velocity (FPM)
Compute average air velocity in a round duct from CFM and inside diameter for noise and pressure screening.
Sandblaster tank size calculator
Estimate portable sandblaster tank class from surface area and job intensity.
Sheet metal brake width tool
Match needed bend width to 24 / 36 / 48 in box-and-pan brake classes with verified merchant links.
Shop press capacity selector
Compare hydraulic shop press capacity classes against your required tonnage.
Spring balancer capacity by kg
Match tool and hose weight in kilograms to a 1–3 through 15–22 kg spring tool-balancer class — or NO_MATCH above 22 kg.
Spring rate (lbf/in)
Compute linear spring rate k = F / x from force and deflection.
Strut compressor by spring OD
Match measured coil spring outside diameter to a 6.7 / 7.9 / 11.5 in max-OD strut compressor class — or NO_MATCH below 2.8 in or above 11.5 in.
Surface feet per minute
Convert diameter and RPM into surface feet per minute for turning comparisons.
Tank fill time (min)
Estimate minutes to fill a tank from capacity and constant fill rate before choosing a transfer pump.
Telescoping ladder size selector
Compare telescoping ladder length classes from support height.
Tire overall diameter calculator
Estimate overall tire diameter from metric size code (section width, aspect ratio, and rim diameter).
Torque from force and arm
Compute torque from force and lever arm length before setting a torque wrench target.
Torque wrench range selector
Find a torque wrench range that includes the required fastener torque.
Trailer tongue jack capacity calculator
Estimate a trailer tongue jack capacity class from tongue weight.
Transmission jack capacity calculator
Combine unit and saddle extras to compare hydraulic transmission jack capacity classes.
Triangle area (base × height)
Compute triangle area from base and perpendicular height for sheet goods or paint estimates.
Tube bender size selector
Compare tube bender classes from measured tube outside diameter.
Ultrasonic tank sizing tool
Match immersed part volume to 2 / 3 / 6 / 10 L ultrasonic tank classes with verified merchant links.
Utility pump GPH calculator
Match standing-water gallons and drain time to a 2,000 / 4,000 / 5,000 GPH utility pump that also clears your lift head.
Vacuum degassing chamber size calculator
Match resin mix gallons and foam headroom to a 3 or 5 gal vacuum degassing chamber — or NO_MATCH when the batch exceeds this ladder.
Vinyl cutter max feed width selector
Compare vinyl cutters from needed media feed width in inches.
Wavelength from frequency
Compute wavelength from wave speed and frequency for RF or acoustics screening notes.
Welding cart capacity calculator
Estimate a welding cart capacity class from welder/plasma weight plus tank, cables, and tools on the cart.
Wet/dry shop vac size calculator
Estimate portable wet/dry vac tank class from cleanup area and debris type.
Winch capacity calculator
Estimate required rated line pull using vehicle gross weight and terrain.
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