Mar 31, 2024 · The Pulley Size vs. RPM Calculator serves as an essential tool for engineers, mechanics, and DIY enthusiasts who work with belt-driven machinery. This calculator allows users to …

This calculator helps determine the RPM of a second pulley based on the diameters and rotation rates of both pulleys, useful in mechanical and engineering applications.

Motors - Speed vs. Pulley Diameter Pulley (Sheave) selection charts for motors ranging 850 - 3450 rpm.

To calculate multiple pulley sets, where the first driven pulley shaft drives the second driver pulley, and so on, enter Initial Driver Pulley RPM, Number of Sets, pulley Diameters and Centres of each Set …

Sep 10, 2025 · To calculate the diameter of the driven pulley, multiply the diameter of the drive pulley by the RPM of the drive pulley, then divide by the RPM of the driven pulley. What is a Pulley Size? …

This pulley calculator analyzes a system of two pulleys joined by a conveyor belt (also called a belt drive). You can use it to calculate the pulley RPM (revolutions per minute), but also its diameter and …

Use Compressor Source’s Pulley & RPM Ratio Calculator to determine shaft speed or pulley size for belt-driven mechanical systems, ideal for air compressors.

Aug 5, 2025 · RPM (Revolutions Per Minute) is crucial for determining operational efficiency. The relationship between pulley diameters and RPMs is defined by the formula d1n1 = d2n2, where d …

Feb 17, 2015 · Pulley RPMs: The calculator return the rotation rate in revolutions per minute. However this can be automatically converted to compatible units via the pull-down menu.

Sep 8, 2024 · This article presents a mathematical approach to calculate pulley RPM from torque and speed, using a fundamental formula that combines BODMAS (Brackets, Orders of Operations, …