HomeToolsTools This page lists the helpful online tools and calculators that we have developed. Please feel free to use and share them. Reference Electrode Potential Conversion Use this calculator to adjust measured potential vs. a reference electrode.Reference Potential Calculator Rotating Cylinder Rotation Rate/Pipe Velocity Calculator Corrosion calculators relating RCE rotation rate to pipe velocity.RCE Pipe Velocity to RPM Calculator Rotating Ring-Disk Collection Efficiency Calculator Calculate the Rotating Ring-Disk Electrode Collection Efficiency (N) for any electrode.Collection Efficiency Calculator