⚙️ Machining Time Calculator

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Units

Metric (mm) Imperial (in)

Material

Advanced Mode

Number of Parts

Multi-Pass Operation

Calculate machining time for drilling operations using: T = L / (f × N)

Drill Diameter (mm)

Hole Depth (mm)

Feed Rate (mm/rev)

Spindle Speed (RPM)

Calculate machining time for turning operations using: T = (π × D × L) / (f × N)

Workpiece Diameter (mm)

Cutting Length (mm)

Feed Rate (mm/rev)

Spindle Speed (RPM)

Calculate machining time for milling operations using: T = L / (f × N × z)

Cutting Length (mm)

Cutting Width (mm)

Feed per Tooth (mm/tooth)

Spindle Speed (RPM)

Number of Teeth

Select an operation type (Drilling, Turning, or Milling) to calculate machining time. Enter the required parameters and click Calculate.

Drilling: T = L / (f × N)

Turning: T = (π × D × L) / (f × N)

Milling: T = L / (f × N × z)

Aluminum Mild Steel Stainless Brass