Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Mechanical
Shaft Torque and Stress Calculator
Calculate the maximum torsional shear stress in a solid circular shaft given applied torque and shaft diameter. Used in mechanical design to verify shafts against yield and fatigue limits before manufacture.
Fill in the required fields to see your result.
Mechanical
Fan Airflow and Power Calculator
Calculates fan power consumption from blade swept area, rotational speed, and static pressure. Use it when sizing ventilation fans or verifying energy budgets for HVAC and industrial systems.
Fill in the required fields to see your result.
Key differences
| Shaft Torque and Stress Calculator | Fan Airflow and Power Calculator | |
|---|---|---|
| Category | Mechanical | Mechanical |
| Inputs required | 2 | 3 |
| Result | Maximum Shear Stress (MPa) | Airflow Rate (m³/h) |
| What it does | Calculate the maximum torsional shear stress in a solid circular shaft given applied torque and shaft diameter. Used in mechanical design to verify shafts against yield and fatigue limits before manufacture. | Calculates fan power consumption from blade swept area, rotational speed, and static pressure. Use it when sizing ventilation fans or verifying energy budgets for HVAC and industrial systems. |