| Symbol | Description | Units |
| A | Cross Section Area | m2 |
| a | Acceleration | m/sec2 |
| D | Diameter | m 2 |
| e | Energy | Joule (N.m) |
| e | Strain | - |
| E | Young's Modulus | N/m2 |
| F | Force | N |
| G | Shear Modulus .. Modulus Of Rigity | N/m2 |
| I | Second Moment of Area of a Section about its Neutral Axis | m4 |
| I | Mass Moment of Inertia of a body about its axis of Rotation | kg.m2 |
| J | Polar Moment of Inertia | m4 |
| J | Mass Moment of Inertia of a body about its axis of Rotation | kg.m2 |
| m | Mass | kg |
| M | Moment | N.m |
| p | Tensile/Compressive Stress | N/m2 |
| P | Pressure | N/m2 |
| q | Shear Stress | N/m2 |
| R | Radius | m |
| s | Distance | m |
| t | Time | sec |
| t | Thickness | m |
| T | Torque | N.m |
| v | Velocity | m / s |
| W | Work Done | Joule (N.m) |
| W | Beam Load | N |
| w | Beam Distributed load | N /m |
| x | Distance x direction | m |
| y | Distance y direction | m |
| α | Angular Acceleration | s-2 |
| ε | Shear Strain | Radian |
| θ | Angle | Radian |
| ν | Poisson's Ratio | - |
| π | Circumference/ Diameter | 3.14159 (approx) |
| σ | Stress | N / m2 |
| τ | Shear Stress | N/m2 |
| ω | Angular Velocity | sec-1 |
