Metal Removal Rate Calculator

Calculate MRR for Milling, Turning, Drilling & Grooving

inches
inches
in/min
Metal Removal Rate
0.000
in³/min

Formula:

MRR = Ap × Ae × Vf
Higher MRR indicates faster material removal and reduced cycle times.

inches
in/rev
ft/min (SFM)
Metal Removal Rate
0.000
in³/min

Formula:

MRR = Ap × Fn × Vc / 12 (imperial) or Ap × Fn × Vc / 100 (metric)
Optimizing MRR in turning operations improves productivity.

inches
in/rev
RPM
Metal Removal Rate
0.000
in³/min
Calculated SFM
0
SFM

Formula:

MRR = 0.7854 × D² × f × N
Drilling MRR is critical for determining optimal drill feeds and speeds.

inches
in/rev
ft/min (SFM)
Metal Removal Rate
0.000
in³/min

Formula:

MRR = W × Fn × Vc / 12 (imperial) or W × Fn × Vc / 100 (metric)
Grooving operations require careful MRR optimization for tool life.

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