What does Spur Gear Dimensions do?

Spur gear calculator: compute module, pitch diameter, addendum, dedendum and tooth geometry from gear parameters.

How do I use Spur Gear Dimensions?

Enter the number of teeth, module (m), and pressure angle. The calculator returns pitch diameter, base circle, addendum, dedendum, outside diameter, and tooth thickness.

Is Spur Gear Dimensions free to use?

Yes. This spur gear dimension calculator is free and fully browser-based.

Spur Gear Calculator | Module, Pitch & Tooth Geometry

Gear Details:

Module (m):

Teeth (z1):

Teeth (z2):

Results

Parameter	Gear 1 (mm)	Gear 2 (mm)
Addendum Dia. (da)
Pitch Dia. (d)
Base Circle Dia. (db)
Dedendum Dia. (df)
Center Distance (C)

Technical Drawing:

Spur Gear Dimensions

Results

Calculation Details