Belt Length Quick

Name: Belt Length Quick
Availability: InStock
Author: Dev Jang

Dev Jang

Contains ads

Everyone

Downloads

Everyone

Learn more

About this app

Belt Length Quick is a simple pulley belt reference calculator for Android.

Enter the driver pulley diameter, driven pulley diameter, center distance, and driver RPM to estimate belt length, driven RPM, speed ratio, belt speed, and wrap angle. Switch between open and crossed belt arrangements, copy the result, and save common calculations on your device.

Useful for quick workshop, study, and DIY planning checks.

Features:
- Open belt and crossed belt calculations
- Belt length in millimeters and inches
- Driven RPM and speed ratio
- Belt speed and wrap angle reference
- Copy result summary
- Save local calculation history
- Formula notes inside the app

This app is a planning reference only. Always confirm belt section, pitch line, tension, wrap, load, manufacturer data, and safety requirements before purchase, installation, or operation.

Calculate pulley belt length, RPM, speed, and wrap in seconds.

Updated on

Jul 27, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.

This app may share these data types with third parties
Location, App activity and 2 others
This app may collect these data types
Location, App activity and 2 others
Data is encrypted in transit
Data can’t be deleted