Surface Feet Per Minute

This calculates the Surface Feet Per Minute given the Diameter and Rotations Per Minute.

Inches Per Minute

This calculates the Inches Per Minute given the Chipload Per Tooth, Number Of Teeth and Rotations Per Minute.



Revolutions Per Minute

This calculates the Revolutions Per Minute given the Surface Feet Per Minute and Diameter.

Chipload Per Tooth

This calculates the Chipload Per Tooth given the Inches Per Minute, Number Of Teeth and Rotations Per Minute.



Feed Rate

Enter your feed rate and spindle speed to instantly calculate feed per revolution for turning, drilling, boring, and tapping operations.

Metal Removal Rate

These speed calculators find the Metal Removal Rate given the Width Of Cut, Depth Of Cut and Inches Per Minute.



Radial Chip Thinning

When your width of cut is less than 50% of tool diameter, use this calculator to correct your feed rate and prevent rubbing, premature wear, and inefficient cutting.