Tool Path & CAM Calculators

Tool Path & CAM

Tool Path & CAM Calculators

Optimize toolpaths with step-over, engagement, trochoidal, and cycle time calculations.

Step Over

Step = Dia × %

Cutter Dia (in)

Step Over %

Result

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Toolpath Cycle Time

Time = Path Length / Feed

Path Length (in)

Feed Rate (IPM)

Result

—

min

Cutter Engagement

CEA = 2·arccos(1−2WOC/Dia)

Width of Cut (in)

Cutter Dia (in)

Result

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Spindle Load

Load = (MRR / Max MRR) × 100

Actual MRR (in³/min)

Max MRR

Result

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Max Chip Thickness

hm = fz × sin(CEA)

Feed/Tooth (in)

Engagement Angle (°)

Result

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Constant Surface Speed

RPM = (SFM × 3.82) / Dia

Target SFM

Current Dia (in)

Result

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RPM

Trochoidal Step Over

Step = Dia × Engagement %

Cutter Dia (in)

Radial Engagement %

Result

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Helical Interpolation Feed

Feed = RPM × CL × Flutes

RPM

Chip Load (in)

Flutes

Result

—

IPM

Peck Drilling Depth

Peck = Drill Dia × Multiplier

Drill Dia (in)

Multiplier (1–3)

Result

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The calculators and tools on Formula Factory are provided for general guidance and informational purposes only. Results are estimates based on standard formulas and the values you enter — they do not constitute professional engineering, electrical, or architectural advice. Always verify calculations with a qualified professional before making decisions for any safety-critical, code-compliance, or commercial application. Formula Factory makes no representations or warranties as to the accuracy or completeness of any result, and accepts no liability for errors, omissions, or any outcomes arising from reliance on this information.