Speeds & Feeds Calculator

Calculate optimal feed rates, RPM, chip load, and material removal rates for any milling project.

Calculator Inputs

ADJUST TOOLING PARAMETERS

Tool DiameterØ 0.2500″ (1/4″)
Cutting Speed (SFM)600 SFM
Tool Flutes (Cutter Teeth)3 Flutes
Chip Load (IPT / Feed Per Tooth)0.0040″
Axial Depth of Cut (DOC)0.125″
Radial Width of Cut (WOC)0.100″

Simulated Real-Time Outputs

PHYSICS AND TOOLPATH GEOMETRY

SPINDLE_SPEED9,168RPM // REVOLUTIONS/MIN
FEED_RATE110.0IPM // INCHES/MIN
MATERIAL_REMOVAL1.38IN³/MIN // MRR
TOOLPATH_BLUEPRINT_SCHEMATICUNIT: INCHES
Ø 0.250″DOC 0.125″
G-CODE_INTERPOLATION_BLOCK
(CNC COPILOT speeds & feeds calculation)
(material: ALUMINUM | tool: Ø0.2500″)
G20 G90 G17
T01 M06 (T1: Ø0.250″ Endmill)
S9168 M03 M08 (Spindle Speed & Coolant)
G00 X0.0000 Y0.0000 Z0.1000
G01 Z-0.1250 F55.0 (Z-Entry plunge)
G01 X5.0000 F110.0 (Machining feed rate)
M05 M09
G00 Z1.0000 M30