Docs
Pulley RPM Calculator: Speed Ratio, Belt Length & Torque
Technical reference documents covering the formulas, methodology, and data behind Pulley RPM Calculator: Speed Ratio, Belt Length & Torque. Use these to understand exactly how calculations are performed.
Belt Drive Formulas: Pulley RPM, Speed Ratio, Belt Length & Torque
All belt drive formulas in one reference: pulley RPM, speed ratio, belt length, belt speed, torque, and pitch diameter with worked examples for each.
Read doc →Belt and Pulley Drive Glossary
Plain-English definitions of belt and pulley drive terms — pitch diameter, arc of contact, slip, sheave, speed ratio, and more — for pulley RPM calculations.
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