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Column buckling and compression member design , Formulas for column buckling calculations , Column buckling calculations for a solid round bar , I Beam buckling calculations , Simply supported structural beam stress and deflection analysis for multiple point/distributed loads and moments , Simply supported structural beam with concentrated load at any point , Simply supported structural beam with two concentrated loads , Simply supported structural beam with partially distributed load at one end , Simply supported structural beam with partially distributed intermediate load , Simply supported structural beam with two partially distributed intermediate loads , Simply supported structural beam with a moment , Simply supported structural beam with two moments, Cantilever structural beam stress and deflection analysis for multiple point/distributed loads and moments , Cantilever structural beam with concentrated load at any point , Cantilever structural beam with a moment , Cantilever structural beam with partially distributed load at one end , Cantilever structural beam with partially distributed intermediate load, Fixed structural beam stress and deflection analysis for multiple point/distributed loads and moments , Fixed structural beam with concentrated load at any point , Fixed structural beam with a moment , Fixed structural beam with partially distributed load at one end , Fixed structural beam with partially distributed intermediate load, Simply supported beam deflection calculation example.

Contact calculations of sphere in circular race , Example of contact stresses in a steel ball bearing , Formulas for Hertzian contact stress calculations , Hertzian contact stress calculations .

Metric - Inch unit conversion , dB converter .

I-Beam sectional properties calculator , Steel wide flange I Beam sizes (ASTM) , American standard beam (S shape) sizes , Aluminum I beam sizes (Aluminum Association) , Tee section sectional properties calculator , C channel sectional properties calculator , Equilateral triangle area, height and section properties calculator , Isosceles triangle area and section properties calculator , American standard steel channel (C shape) sizes , Steel angle with equal legs (L shape) sizes , Aluminum channel sizes (Aluminum Association) , Round hollow tube sectional properties calculator , Round solid bar sectional properties calculator , Rectangular hollow section sectional properties calculator , Angle with unequal legs sectional properties calculator , Square hollow structural section (HSS) dimensions , Rectangular steel tube sizes and dimensions , Round steel tube sizes and dimensions, Rectangular solid bar sectional properties calculator , Schedule 40 steel pipe sizes and dimensions , Schedule 80 steel pipe sizes and dimensions, Dimensions and properties of pipes (Std, x-Strong, xx-Strong), British universal steel beams, Metric steel unequal angles properties and dimensions, Metric steel equal angles properties and dimensions.

Machine Screws , Machine Screws General Data , Button head socket cap screw dimensions , Metric hexagon socket button head screw dimensions , Socket head cap screw dimensions , Hex socket dimensions , Spline socket dimensions , Metric socket head cap screw dimensions , Low head socket cap screw dimensions , Flat head socket cap screw dimensions , Metric socket set screw dimensions , Metric slotted set screw dimensions , Hex head bolt - heavy hex head bolt dimensions , Hex - heavy hex head cap screw dimensions , Flat head wood screw dimensions , Oval head wood screw dimensions , Pan head wood screw dimensions , Wood screw dimensions , Bolt grades and strengths , Machine screw nut dimensions , Hex nut - jam nut - heavy hex nut dimensions , Nut grades, identification markings and strength (Metric) , Metric hex nut dimensions , Hex nut dimensions (Metric fine pitch thread) , Metric hex jam nut dimensions (coarse pitch thread) , Metric hex jam nut dimensions (fine pitch thread) , Metric hex jam nylon lock nut dimensions , Metric prevailing torque values of lock nuts , Metric nylon insert locknut dimensions , Metric metal insert locknut dimensions , Metric hex flange nut dimensions - Coarse thread , Metric hex flange nut dimensions - Fine thread , Metric hex flange lock nut with nylon insert dimensions - Coarse and Fine thread , Slotted nut dimensions , Hex thick nut dimensions , Acorn nut dimensions , Flat washer dimensions , Metric flat washer dimensions , Fender washer dimensions , Split lock washer dimensions , Tooth lock washer dimensions , Forged eye bolt dimensions , Forged eye bolt capacity and strength , Clevis pin sizes , Cotter pins dimensions (Inch) , Dowel pins dimensions (Inch) , Hole sizes for dowel pins (Inch) , Metric clevis pins dimensions , Metric split pins dimensions , External circlips for shafts (Metric) , Internal circlips for bores (Metric) , Small solid rivets dimensions (7/16 Inch nominal diameter and smaller).

Anthropometry , Human factors and ergonomics , Ergonomics , A simple ergonomics case study - human factors & ergonomics , Human Factors Simulation Software .

Depth values for shaft keyseats - hub keyways , Fit tolerances for parallel and taper keys , Gib head dimensions for taper keys , Key size versus shaft diameter , Set screws for use over keys , Parallel and taper key dimensions and tolerances, Woodruff key sizes and dimensions, Woodruff keyeat dimensions,

Limits, fits and tolerances calculator (ISO) , ANSI limits and fits calculator , Preferred fits and tolerances charts (ISO) , Preferred tolerances and fits charts (ANSI) , Interference (press & shrink) fit calculator , Formulas for press fit / shrink fit calculations , Precision measuring tools for shaft and hole measurements.

Mass moment of inertia of a hollow shaft calculator , Mass moment of inertia of a cylinder calculator , Mass moment of inertia of a hollow sphere calculator . Mass moment of inertia of a sphere calculator , Mass moment of inertia of a rectangle shaped thin plate calculator , Mass moment of inertia of a thin rod .

Material properties of aluminum 6061 , Material properties of aluminum 7075 , Density of materials , Linear thermal expansion coefficient values of metals , Modulus of elasticity values of metals , Posisson's ratio values of metals , Specific heat values of metals ,

Critical working frequency of compression springs , Compression spring design (Dimensional or rate based) , Compression spring calculator for fatigue loads , Compression spring design example , Compression spring calculator (Load based design) , Compression springs terms and definitions , Extension spring design calculator , Extension spring calculator for fatigue loads , Extension spring calculator for static loads , Extension spring design example .

Cantilever beam natural frequency calculator , Fixed beam natural frequency calculator , Simply supported beam natural frequency calculator , Single degree of freedom vibration calculator , Sinusoidal (Harmonic) motion calculations , Natural frequency of a vibrating spring , String vibration calculator , Torsional vibration natural frequency of a shaft calculator , Vibration isolation and control systems .

Unified inch screw threads and tolerances , Standard series for Unified inch screw threads , Dimensions for #0000, #000 and #00 threads , Tap drill sizes , Roll tap drill sizes , Counterbore sizes for socket head cap screws , Counterbore sizes for metric socket head cap screws , Clearance holes for bolts, screws and studs (Inch) , Helicoil insert length selection (Inch) , Helicoil tapped hole dimensions (Inch) , Bolt torque calculator , Bolt torque factors and bolt tension measurements , ISO metric screw thread sizes and tolerances , Metric trapezoidal thread dimensions , Metric self tapping screw thread dimensions , General purpose metric screw threads table , Metric bolt grades and strength , Properties for stainless steel metric bolts and screws , Metric bolt torque values , Metric tap drill sizes , Clearance holes for bolts, screws and studs (Metric) , General purpose Acme thread dimensions , Stub Acme screw thread dimensions , Leadscrew torque calculations for Acme thread , Friction coefficients in lead screws , Friction coefficient values in bolted joints , Buttress Inch Screw Threads Dimensions , Rough calculation of metric bolt sizes , Bolt sizing example for pressure vessel cap , British standard pipe parallel (BSPP) thread dimensions , British standard pipe taper (BSPT) thread sizes and dimensions , NPT Pipe Thread Dimensions , Drill Sizes for NPT Threads .

Mohr's circle for 3D stress analysis , Hooke's law for general stress - strain calculations , Modulus of rigidity , Plane strain and principal strains , Plane strain and transformations , Plane stress calculation with strain rosette results , Strain gage rosette example , Principal stress and maximum shear stress calculator , Plane stress and transformations , Strain measurement with strain rosette , Shear stress (single and double shear) , Thin walled pressure vessel stress calculations , Thin walled pressure vessel example , Yield criteria for ductile materials .

A central circular hole in a finite plate , A central circular hole in an infinite plate , An eccentric circular hole in a finite-width plate , An elliptical hole in a finite-width plate , A rectangular hole in an infinite plate , Two equal circular holes in an infinite plate , Shoulder fillet in a stepped shaft , A large circumferential groove in a circular shaft , U-shaped groove in a shaft , V-shaped groove in a shaft , A transverse circular hole in a round bar , Opposite shoulder fillets in a bar , A closely fitting round pin joint in an finite-width plate .

Hollow structural section (HSS) design for strength , I beam design for strength , Linear thermal expansion , Stress strain calculator , Thermal stress in a bar , Thermal stress in a uniform plate , Rectangular beam design for strength , Stresses in rotating rings (Annular disks) , Torsion of solid and hollow shafts , Torsion in solid rectangular sections , Torsion in solid square sections , Calculation example of torsion of a solid shaft , Timber beam design for strength example .

Allen (hex) key and hex bit sizes , Spline key and bit sizes , Drill bits - Jobbers length twist drills , Drill bits - Straight shank taper length twist drills , Drill bits - Screw machine length twist drills , Drill bits - Taper shank twist drills .