DISCIPLINES · CATALOG
Engineering Categories
Explore professional-grade calculators organized by engineering discipline. Each category contains verified, standards-based tools for real design work.
Machine DesignComprehensive mechanical design calculations covering stress, fatigue, and component sizing for machine elements.CAT-01 · 11FastenersFastener selection, bolt preload, tightening torque, and joint integrity calculations per ISO and ASME standards.CAT-02 · 4BearingsRolling element bearing life, load rating, selection, and lubrication calculations per ISO 281.CAT-03 · 2ShaftsShaft sizing under torsion, bending, combined loading, critical speed, and keyway strength calculations.CAT-04 · 3MaterialsMaterial weight, density, and property calculations for metals, plastics, and composites.CAT-05 · 2ManufacturingSheet metal bending, machining parameters, forming forces, and manufacturing cost estimation.CAT-06 · 3Unit ConversionPrecise engineering unit conversions for length, force, pressure, torque, power, temperature, and more.CAT-07 · 1Power TransmissionGear ratios, torque transmission, belt and chain drive sizing, and gearbox efficiency calculations.CAT-08 · 3