Material Removal Rate Calculator

Your details

Choose metric for millimetre-based inputs or imperial for inch-based inputs.
Each operation uses a different formula. Select the one that matches your machining process.
Depth the cutter engages in the axial (Z) direction.
mm
Width the cutter engages in the radial (X/Y) direction.
mm
Linear feed velocity of the table (or tool path).
mm/min
Material Removal Rate (MRR)
30

Volume of material removed per minute

MRR (cm³/min)30
MRR (in³/min)1.8307
MRR (cm³/min)30
MRR (in³/min)1.8307

MRR is 30.00 cm³/min for this milling operation.

  • This rate is in the productive range for general-purpose steel milling.
  • Doubling any single input (depth, feed, or speed) doubles MRR, but each also increases cutting force, heat, and tool wear - so balance all three.
  • Equivalent rate: 30.000 cm³/min = 1.8307 in³/min.

Next stepUse MRR alongside cutting power (MRR x specific cutting force) to confirm the operation is within machine tool limits.

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