Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Mechanical
Shaft Torque and Stress Calculator
Determine the safe torque capacity and shear stress in a rotating shaft. Use this when designing drive shafts, axles, or couplings to ensure they won't fail under torsional load.
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 | 3 | 3 |
| Result | Maximum Torque Capacity (N·m) | Airflow Rate (m³/h) |
| What it does | Determine the safe torque capacity and shear stress in a rotating shaft. Use this when designing drive shafts, axles, or couplings to ensure they won't fail under torsional load. | 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. |