Spur Gear Calc
DO NOT USE - calculator not yet ready for use!
20P and finer
Diametral Pitch (P)
Circular Pitch (p)
Number of Teeth (N)
Pitch Diameter (D)
Outside Diameter (D
o
)
Base Diameter (D
b
)
Root Diameter (D
r
)
Pressure Angle (φ)
Tooth Thickness (t)
Addendum (a)
Dedendum (b)
Clearance (c)
Working Depth (h
k
)
Whole Depth (h
t
)