Gear Parameter Calculator

Use the calculator below to figure out various gear specifications given two of the following; tooth count, diameter, and/or pitch.
Calculate Gear Diameter
Calculate Gear Tooth Count
Calculate Gear Pitch
Enter Gear Tooth Count: Enter Diameter of Gear: mm Enter Gear Tooth Count:
Select Gear Pitch: Select Gear Pitch: Enter gear diameter in mm: mm
Diameter of Gear: Gear Tooth Count: Gear Pitch:





Calculate the approximate (?) distance between the two gear shafts.

Spur gear
tooth count

Pinion gear
tooth count









Pitch conversion table.

Common
Gear Name
Metric
Pitch
Diametral
Pitch
Formula:
metric_pitch = 25.4 / diametral_pitch