This engineering calculator helps determine belt length, ratio, RPM, and belt speed for pulley systems. It offers instant calculations with copyable results and includes formulas for reference.






10+ similar apps compared and reviewed
Whether you want more options like Pulley & Belt calculator or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.












This engineering calculator helps determine belt length, ratio, RPM, and belt speed for pulley systems. It offers instant calculations with copyable results and includes formulas for reference.






This tool calculates gear ratios, torque, and speed for gear train systems. It allows users to simulate how these systems work on the fly, aiding in the design of custom gear systems before physical creation. Ideal for DIY enthusiasts and engineers.


Transform your device into a precise digital spirit level. Measure tilt angles in real-time with realistic bubble and digital displays. Features calibration, saved readings with notes, and haptic feedback for perfect alignment.


This app assists in developing fabrication layouts for various shapes, including square-to-round, rectangular-to-round, pyramid, and truncated pyramid transitions. It offers options for different joint and line configurations to generate precise layout patterns.


Monitor your Bitcoin solo mining operations on CKPool with live hashrate, worker status, and push alerts. Remotely control supported mining hardware, view telemetry, and restart miners with ease. Includes a home screen widget for at-a-glance updates.




This app helps firearm enthusiasts find the most accurate and consistent ammunition loads. It visualizes test results for powder charge and seating depth, organizes data by firearm, and includes a ballistics calculator. Data is encrypted for privacy, with an optional subscription for multi-device syncing.




This utility app offers a suite of tools for calculating and finding resistor combinations. It's designed for electronics enthusiasts and professionals needing to determine series, parallel, and voltage divider configurations. Save and share your calculations easily.