Calculator for calculating the length of the belt between two pulleys in a belt drive. To calculate, you need to enter the diameter of the large and small pulley, the distance between the centers of the pulleys.
By entering the drive pulley speed (RPM) you will get the driven pulley speed and the belt speed.
The application also calculates the gear ratio.
Latest Version
1.8Uploaded by
Noir Gaming
Requires Android
Android 6.0+
Category
Free Tools AppContent Rating
Everyone
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Flag as inappropriateLast updated on Nov 15, 2025
Minor bug fixes and improvements. Install or update to the newest version to check it out!