1. Enter Drive Speed in RPM, Drive Sprocket Diameter in mm or inches and Desired Driven Speed in RPM
2. Click to Compute the Driven Sprocket Diameter    (*Disclaimer below)

Input data items 1, 2, & 3: brought to you by: Maryland Metrics
1.  Drive  Speed (RPM) 3.  Driven Speed (RPM)
2.  Drive Sprocket (Diameter) in mm or inches Driven Sprocket (Diameter) [in mm or inches depending upon input value]
Disclaimer:  This is for informational purposes only.
All applications should be reviewed by a an engineer for safety and design criteria before implementation.
By using this calculator, you agree to hold harmless all parties associated with this calculator. 

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