⚙️ Model Engineer's Toolkit

Gear Calculator

Calculate gear specifications including module, pitch, tooth count, and center distance.

Gear Specifications

Module: -
Pitch Circle Diameter: -
Pitch (mm): -
Outside Diameter: -
Root Diameter: -
Center Distance: -
Gear Ratio: -

Formulas Used

  • PCD = Module × Number of Teeth
  • Pitch = Module × π
  • OD = (Number of Teeth + 2) × Module
  • Root Dia = (Number of Teeth - 2.5) × Module
  • Center Distance = (Teeth1 + Teeth2) × Module / 2