Mechanical Engineering
Stress, strain, beams, gears & machine design
Stress & Strain Calculator
Axial stress, strain and modulus
Factor of Safety Calculator
Allowable vs. applied stress ratio
Beam Deflection Calculator
Deflection formulas for common beams
Column Buckling Calculator
Euler critical load for columns
Shaft Torsion Calculator
Shear stress and angle of twist
Bearing Life Calculator (L10)
L10 life from load and rating
Gear Design Reference
Module, pitch, ratio and forces
Material Properties Comparator
Compare metals, alloys, polymers
Heat Transfer Calculator
Conduction & convection rates
Fluid Pressure Calculator
Pressure from depth and density
Pressure Vessel Reference
ASME design stress references
Fastener Torque Reference
Torque values for bolt sizes & grades
Surface Finish Ra Reference
Ra ranges by manufacturing process
Tolerance Stack Calculator
Worst-case & RSS tolerance stack
Failure Mode Reference (FMEA)
Common failure modes & severity
Reliability Calculation Reference
MTBF, MTTF and reliability formulas