Milling Formula Interactive Calculator

Solve for any subject variable in bold by entering values in the boxes on the left side of the equation and clicking the "Calculate" button. The solution will appear in the box on the right side of the equation. To enter a value, click inside the boxes containing the "Enter" prompts.

Legend:
D - Cutter diameter Z - Number of teeth in cutter
DOC - Depth of cut WOC - Width of cut

 

SURFACE FEET PER MINUTE (SFM)

Enter RPM

Enter D
X X Π/12 =

REVOLUTIONS PER MINUTE (RPM)

Enter SFM

Enter D
X(12/Π)/ =

INCHES PER REVOLUTION FEED RATE (IPR)

Enter IPM

Enter RPM
/ =

INCHES PER MINUTE FEED RATE (IPM)

Enter RPM

Enter IPT

Enter Z
X X =

INCHES PER TOOTH FEED RATE (IPT)

Enter IPM

Enter RPM

Enter Z
/ / =

CUBIC INCHES PER MINUTE METAL REMOVAL RATE (in ²/min)

Enter RPM

Enter DOC

Enter WOC

Enter IPT

Enter Z
X X X X =