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Gear transmission

Quick calculation for gear characteristics and meshing

Choose the correct calculation tab, enter the basic values, and compare the results side by side while designing.

Convention Length dimensions use mm. Pressure angle can be entered in degrees or radians.

Gear characteristic calculation

Quickly determine basic diameters and tooth heights from module, tooth count, and pressure angle.

Gear characteristic diagram

Manual input

Module (m)
Number of teeth (z)
Pressure angle (α)

Results

Reference diameter (d)
Base circle diameter (d_b)
Addendum height (h_a)
Whole depth (h)
Addendum circle diameter (d_a)
Dedendum circle diameter (d_f)