Mechanical Calculators for gears, machining, and fasteners. Calculators and tools ToolNEWBeam Calculator with Diagrams and Section PropertiesBeam calculator: simply supported, cantilever and fixed beams with shear, moment and deflection diagrams, bending stress and section properties.Open →ToolNEWBearing Life (L10) CalculatorBearing L10 life calculator for ball and roller bearings: basic rating life, reliability factor, equivalent load and the rating required.Open →ToolNEWBolt Torque & Thread Engagement ToolBolt torque calculator for metric and inch bolts: tightening torque from preload and thread condition, plus the thread engagement the joint needs.Open →ToolNEWCNC Feeds & Speeds CalculatorCNC feeds and speeds calculator: spindle speed, feed rate, chip load and removal rate for milling and drilling, with chip thinning.Open →ToolNEWCompression Spring Design CalculatorCompression spring calculator: rate, Wahl stress, solid height, buckling check and natural frequency, with the working shown.Open →ToolNEWFillet Weld Size and Strength CalculatorFillet weld calculator: throat, strength per length, required length, directional factor and minimum size by AISC and AWS D1.1.Open →ToolNEWFit Calculator (ISO 286)Limits and clearance or interference for any ISO hole and shaft fit, 3 to 500 mm, in mm or inches.Open →ToolGear Ratio, Torque & Speed GeneratorOutput speed, torque, and ratio for gear and pulley trains.Open →ToolNEWLathe Turning CalculatorSpindle speed, feed rate, removal rate, cutting time, power and theoretical surface finish for turning on a lathe.Open →ToolNEWNatural Frequency CalculatorNatural frequency calculator for spring-mass, pendulum, cantilever and beam systems: Hz, rad/s, period and static deflection.Open →ToolNEWProcess Capability CalculatorCp, Cpk, defect rates and the tolerance a process can hold, from measured values or from a mean and standard deviation.Open →ToolNEWShaft and Key Sizing CalculatorShaft diameter and parallel key calculator: torque, combined bending and torsion, standard key size and key length.Open →ToolNEWSpur Gear Pair DesignerSpur gear calculator: module, teeth, center distance, gear dimensions, contact ratio, tooth force and Lewis bending stress, with a drawing of the meshing involute teeth.Open →ToolNEWSteel and Plate Weight CalculatorSteel weight calculator for plate, bar, tube, pipe and angle in steel, aluminum, copper and other metals, with total weight and cost.Open →ToolNEWTolerance Stack-up CalculatorWorst case, RSS, modified RSS and Monte Carlo for a one-dimensional tolerance stack-up, with yield against your limits.Open →ToolNEWTruss Solver (Method of Joints)Truss calculator: member forces, tension and compression, support reactions and zero-force members for Pratt, Howe and Warren trusses.Open →Don’t see what you need? Suggest a topic or tool →
