Gear Proportion Calculator

Input the following values:

Diametral Pitch (inch) Module (metric)
Pitch / Module Value
Number of Pinion Teeth:
Number of Gear Teeth:
Feature Inches Millimeters
Pinion Pitch Diameter
Gear Pitch Diamter
Circular Pitch
Pinion Outer Diameter
Gear Outer Diameter
Center Distance
Addendum
Dedendum
Working Depth
Whole Depth
Standard Clearance
Tooth Thickness at PD