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Pulley Calculator

Calculate belt drive pulley behavior using driver and driven diameters, RPM, center distance, and transmitted power. Useful for speed ratio and layout.

Pulley Calculator



Driver Pulley


Driven Pulley



Result will appear here...


Last updated: February 20, 2026

Created by: Eon Tools Dev Team

Reviewed by: Bibek Lal Karna



Bibek Lal Karna

Bibek Lal Karna is a PhD student and graduate teaching assistant at the University of Mississippi, with deep interests in theoretical and gravitational physics. He is also the founder of NRCC and is strongly engaged in scientific teaching and communication. At Eon Tools, he reviews physics tools.