Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Mechanical
Pressure Vessel Calculator
Compute the minimum required wall thickness for a thin-walled cylindrical pressure vessel per the ASME hoop-stress formula, including a corrosion allowance. Used by mechanical and process engineers during vessel design and code compliance checks.
Fill in the required fields to see your result.
Mechanical
Fan Performance Calculator
Calculates the motor power (HP) required to drive a fan based on airflow rate, static pressure, and combined fan and motor efficiencies. Used by HVAC engineers and system designers to select appropriately sized fan motors.
Fill in the required fields to see your result.
Key differences
| Pressure Vessel Calculator | Fan Performance Calculator | |
|---|---|---|
| Category | Mechanical | Mechanical |
| Inputs required | 5 | 4 |
| Result | Required Wall Thickness (mm) | Motor Power Required (HP) |
| What it does | Compute the minimum required wall thickness for a thin-walled cylindrical pressure vessel per the ASME hoop-stress formula, including a corrosion allowance. Used by mechanical and process engineers during vessel design and code compliance checks. | Calculates the motor power (HP) required to drive a fan based on airflow rate, static pressure, and combined fan and motor efficiencies. Used by HVAC engineers and system designers to select appropriately sized fan motors. |