Mechanical Engineering Toolkit
Engineering Equations,Formulas
| Revenue % | |||||
|---|---|---|---|---|---|
| One-time purchase | 175 | $2.74 – $4.76 | 24.8% | +18.0% |
Description
Mechanical Engineering Toolkit is a professional engineering calculator for students, researchers, and practicing engineers. Choose a formula, enter your variables, and get instant results — with calculation steps, formulas, diagrams, and unit conversions shown along the way. Switch between SI and Imperial units anytime, save favorites, and find the right tool fast with recommendations by major. Save your inputs as named projects, and export any result as text, image, CSV or PDF.
Categories and tools:
Mechanics of Material
Moments of inertia of plane areas
Force-displacement relation of a bar
Torsion formula and angle of twist
Flexure formula of a beam
Transverse shear stress
Deflections and slopes of cantilever and simple beams
Plane stress transformation and Mohr's circle
Principal stresses and planes
Spherical shell and thin-walled pressure vessel stresses
Buckling load of a column
Thermal deformation and stress
Combined loading
Bolted / riveted joints
Fatigue safety factor
Shaft power and torque
Statics
Centroid of an area
Resultant of a force system
Beam reactions
2D truss analysis
Machine Design
Helical compression springs
Spur gear geometry and stresses
Shaft fatigue design (DE-Goodman)
Bearing L10 life
Belt and chain drives
Bolt preload / torque-tension
Fillet weld strength
Press / shrink-fit interference
Shaft critical speed (Dunkerley)
Beam natural frequency (five end conditions)
Torsional natural frequency (one or two rotors)
Fluids & Thermal
Reynolds number and flow regime
Pipe pressure drop (Darcy-Weisbach with Colebrook)
Pump and fan power
Composite wall conduction
Fin efficiency
Heat exchanger sizing by LMTD
Theory of Elasticity
Constitutive relation of linear elastic material
Stress/strain of linear elastic material
Composite Material
Lamina and laminate stress/strain
Lamina engineering constants
Laminate plane and 3D properties
Rule of mixtures
Failure criteria (Tsai-Hill, Tsai-Wu)
Reference Tables
Drill & tap chart (metric and imperial thread series)
ISO 286 fits & tolerances
Standard sections (AISC W, IPE, HEB)
Unit converter
No account required. Works offline. Available in English, Chinese, German, French, and Japanese.
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