TaskJunction

Coupling Selection Calculator

Design torque and coupling type recommendation for mechanical couplings.

Calculate design torque capacity required to select a shaft coupling, factoring in service duty conditions.

Coupling Selection Calculator

Inputs

Results

Rated Torque
143.24N·m
Service Factor
1.25
Required Design Torque Capacity
179.05N·m

Formula Used

Tdesign = Trated × Service Factor
Select a coupling from manufacturer catalog whose rated torque capacity meets or exceeds the calculated design torque.

⚠ For preliminary design and educational use only. Verify all results against applicable codes and standards before use in production or safety-critical applications.

About this calculator

Part of our Mechanical Calculators collection. Beams, bolts, springs, gears, bearings, and core ME calculations.

How it works

Calculates design torque with service factor and recommends coupling type based on torque capacity, misalignment tolerance, and speed requirements.

Enter your values in the inputs above and click CALCULATE. Results appear on the right without a page reload. No login and no server upload.

Privacy and accuracy

Every calculation runs locally in your browser. Your design data never leaves your device. Results are intended for preliminary engineering work. Always verify critical designs with qualified review and applicable standards before production use.

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