Guides
Pulley RPM Calculator: Speed Ratio, Belt Length & Torque
Step-by-step how-to guides for using Pulley RPM Calculator: Speed Ratio, Belt Length & Torque and related techniques. Written for practical use — follow each guide to get accurate results for your specific situation.
How to Calculate Pulley RPM: Step-by-Step Belt Drive Guide
Calculate driven pulley RPM, find the right pulley size for a target speed, and design a belt drive for motor-to-equipment applications.
beginner Read guide →Multi-Stage and Compound Pulley Drive Calculations
How to calculate speed ratios for two-stage and compound belt drives when a single pulley stage can't reach the reduction ratio you need.
intermediate Read guide →Pulley Sizing for DIY Workshops: Lathes, Table Saws & Drill Presses
Pick the right pulley sizes for hobbyist lathes, table saws, drill presses, and bandsaws — practical RPM targets and step-pulley setups for home shops.
beginner Read guide →