This page provides a comprehensive collection of essential engineering formulae used in mechanical and general engineering. It includes equations for energy and power, dynamics, stress and strain, and weld strength calculations.
These formulae are commonly used for analysis, design, and problem solving in engineering applications. Each section links to detailed notes and worked examples.
Energy and power formulae including work, kinetic energy, potential energy, rotational energy and power calculations.
Energy PowerEquations covering linear motion, acceleration, Newton’s laws, and simple harmonic motion.
DynamicsFormula nomenclature is a system of names or terms represented by letters and the Greek alphabet assigned to represent equation physical quantities.
NomenclatureStress, strain, Young’s modulus, bending, torsion and pressure vessel equations used in structural analysis.
Stress & StrainFormulae for calculating weld strength, throat thickness and load capacity of welded joints.
Weld StrengthEngineering formulae are used across a wide range of applications including machine design, structural analysis, fluid mechanics, and thermodynamics. Understanding how to apply these equations is essential for engineers and students.