En Coupling Selection Calculator is a free online engineering tool designed to help engineers, designers, and maintenance professionals choose the most suitable shaft coupling for their mechanical power transmission systems. By entering key parameters such as transmitted torque, shaft diameter, rotational speed, misalignment, and application type, the Coupling Selection Calculator quickly recommends an appropriate coupling while ensuring reliable torque transmission and optimal equipment performance. Whether you’re designing new machinery or upgrading existing equipment, this calculator simplifies the coupling selection process, reduces design errors, and helps improve system efficiency, durability, and operational safety. Accessible directly from your browser, it delivers fast, accurate results without requiring any software installation.
Inputs & Settings
📊 Formulas
Td is the design torque used for coupling selection matching.
Results & Selection Matrix
| Coupling Type | Max Torque (N·m) | Max Shaft (mm) | Status |
|---|
