RPM to SFM Calculator

Posted by Dinesh on

Online speeds / feeds conversions calculator helps to calculate Revolutions Per Minute (RPM) to Surface Feet per Minute (SFM) units.

RPM to SFM Calculation

Formula:

SFM = RPM × D × (π ÷ 12)

where,
D = Workpiece diameter
SFM = Surface Feet per Minute
RPM = Revolutions Per Minute