Speeds and Feeds Calculator
Tool Diameter (in)
Please enter a positive number.
Cutting Speed (SFM)
Please enter a positive number.
Number of Flutes
Please enter a positive integer.
Chip Load (in/tooth)
Please enter a positive number.
Depth of Cut (in)
Please enter a positive number.
Width of Cut (in)
Please enter a positive number.
Calculate
Results
Spindle Speed (RPM):
Feed Rate (IPM):
Material Removal Rate (MRR):
in³/min
Formulas:
RPM = (Cutting Speed * 12) / (π * Tool Diameter)
Feed Rate = RPM * Flutes * Chip Load
MRR = Width of Cut * Depth of Cut * Feed Rate