Machining & CNC Speeds & Feeds Calculator

Determine optimal spindle RPM, surface speed (SFM / m/min), feed rates (IPM / mm/min), chip load, and material removal rates for mills and lathes.

Workpiece & Endmill Tooling

Workpiece Material

Tool Endmill Outer Diameter (mm)

Flute Count (Teeth)

Surface Cutting Speed Vc (m/min)

Chip Load per Tooth fz (mm/tooth)

Axial Depth of Cut ap (mm)

Total Toolpath Length (mm)

Material Unit Prices, Machine Rates & Margins

Tooling Base Purchase Cost

CNC Machine Operating Rate / hr

Material Markup (%)

Suggested Client Quote

€57.90

Cost: €48.25

CNC Runtime: €16.25Tooling: €32.00

Spindle Speed (RPM)9,549RPM

Linear Table Feed Rate1,432mm/min (56.4 IPM)

Speeds & Feeds Performance

Material Removal Rate (MRR)71.62 cm³/min

Estimated Spindle Power1.19 kW (1.60 HP)

Cycle Cutting Time1.40 min (84s)

Calculation results, material estimates, and cutting diagrams are provided for preliminary guidance only. Always independently verify dimensions, safety tolerances, and statutory trade codes before fabrication or installation. CraftyBot assumes no liability for calculation discrepancies or execution errors. Terms of Service