Built for the
Skilled Trades.
Field-focused calculators for electrical, construction, HVAC, plumbing, welding, automotive and industrial work, built around established formulas and referenced technical standards.
Automotive
Aerodynamic drag, brake swept area, steering geometry, and engine modifications.
Construction
Board feet, concrete estimators, wall framing, stair stringers, and decking material.
Diesel
Federal bridge weight limits, air brakes, injection pump timing, and driveline angles.
Electrical
Voltage drop limits, conduit fill limits, circuit breaker sizing, and AWG.
Excavation
Trenching calculations, soil swell, backfill, and mass haul logic.
HVAC
Duct sizing, superheat/subcooling, refrigerant capacity, and airflow.
Landscaping
Mulch volume, retaining wall structural math, turf area, and fertilizer rates.
Manufacturing
OEE tracking, cycle time, scrap rates, and lean manufacturing tools.
Millwright
Conveyor motor sizing, flywheel energy, gear backlash, and mechanical tolerances.
Plumbing
Pipe slope, Hazen-Williams pressure drops, water heater sizing, and pipe volume.
Renewable
Solar array yields, wind turbine sweep, off-grid battery banks, and ROI.
Small Engine
2-stroke blowdown, jet sizing, piston rings, and tuned exhaust lengths.
Welding
Arc heat input, MIG deposit cost analysis, thermal expansion, and shielding gas flow.
Trade Math & Layout
Squaring diagonals, 3-4-5 layout triangles, miter angles, and jobsite framing geometry.
Specialty & General Trade Tools
Direct calculation tools for equipment calibration, material takeoffs, fabrication, and site operations.
3D Printer Steps/mm
Calibrate stepper motor steps per millimeter for X, Y, Z, and extruder axes.
Carpentry Squaring Diagonal
Verify 90-degree square corners and diagonals for slabs, footings, and walls.
Generator Fuel Consumption
Estimate diesel, gas, or propane generator burn rates and runtime under load.
Grass Seed & Sod Coverage
Calculate seed pounds and pallet quantities for new lawn establishment.
HVAC SEER Energy Savings
Calculate annual electricity and operating cost savings across seasonal efficiency ratings.
Injection Molding Cooling Time
Estimate polymer part cooling duration based on wall thickness and thermal diffusivity.
Pipe Wall Thickness (Barlow's)
Determine minimum pipe schedule and allowable working pressure per ASME B31 standards.
Pond Liner Sizing
Calculate minimum sheet dimensions including trench anchor and depth contours.
Wallpaper Roll Estimator
Compute total wallpaper rolls with pattern repeat and window/door deductions.
Wood Fence Materials Takeoff
Estimate post counts, stringer rails, and pickets for privacy fencing.
Asphalt Sealcoat Coverage
Estimate sealcoat gallons and sand additive for commercial and residential asphalt.
Carpet Stair Runner Length
Calculate continuous runner yardage accounting for riser, tread, and nose wrapping.
Gravel & Aggregate Volume
Convert square footage and base depth into compacted aggregate tons and cubic yards.
Vehicle Towing Capacity
Check GVWR, GCWR, payload limits, and tongue weight safety margins.