Gear Calculator

A gear calculator for calculating the dimensions for your external spur gears. Input diametral pitch (or module), number of teeth, and pressure angle to calculate the pitch diameter, base diameter, root diameter, outer diameter, centre distance and ratio.

1. Input Diametral Pitch and Pressure Angle

Diametral Pitch(1 ~ 100)

Unit

Pressure Angle(14.5 ~ 50)

2. Input Number of Teeth

#1 Number of Teeth(6 ~ 480)

Pitch Diameter

#1 Base Diameter

#1 Root Diameter

#1 Outer Diameter

#2 Number of Teeth(6 ~ 480)

#2 Pitch Diameter

#2 Base Diameter

#2 Root Diameter

#2 Outer Diameter

3. Centre Distance and Ratio

Extra Center

Centre Distance

Ratio

Spur Gears Pair with Parameters

Printer and Label