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Speed and Feed Calculator

Surface Feet Per Minute (SFM)

Unit:

Tool Diameter: in.

Revolutions per minute: rpm

Resulting surface feet per minute: SFM

Inches Per Minute (IPM)

Unit:

Revolutions per minute: rpm

Feed: ipr

Resulting inches per minute: IPM

Revolutions per Minute (RPM)

Unit:

Tool Diameter: in.

Surface feet per minute: sfm

Resulting Revolutions Per Minute (RPM): RPM

Calculate Metric to Inches

Calculate Metric to Inches mm per rev or mm

Results : in / rev. or in.

Calculate Inches to Metric in / rev. or in.

Results : mm per rev or mm

These calculations are based upon theoretical values and are only intended for planning purposes; not precise projections of cutting forces. Actual results will vary. No responsibility from our company is assumed.