Pulley Ratio Conversions

Calculate pulley RPM and diameter ratios for driver and driven pulleys.
Essential for designing belt drive systems and matching motor speed.

Pulley Ratio Converter

Calculate pulley RPM, diameter, belt speed, and mechanical advantage ratio. Solve for any unknown in a two-pulley belt drive for motors and machinery.

Embed This Calculator

Copy the code below and paste it into your website or blog.
The calculator will work directly on your page.