CNC Feed & Speed Calculator

Calculate CNC milling spindle speed, feed rate, and chip load from cutting parameters and tool geometry.

Recommended surface speed for material/tool combo.
m/min
Diameter of the milling cutter.
mm
Number of cutting edges on the tool.
Chip load per tooth. Roughing: 0.1-0.2, Finish: 0.05-0.1 mm.
mm/tooth
Depth in the axial direction.
mm
Stepover or radial engagement.
mm

Results

Spindle Speed-rpm
Table Feed Rate-mm/min
Material Removal Rate-cm³/min
Est. Cutting Power-kW
References: Machinery's Handbook — Milling; Sandvik Coromant Catalog