Free industrial engineering calculators

Industrial engineering calculators that just work

OEE, takt time, inventory and maintenance KPIs. No sign-up, no demo calls, no email gate. Every formula is shown so you can check it.

• OEE Calculator

  Availability × Performance × Quality, with the minutes lost to each.

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• Takt Time Calculator

  The pace demand requires, and how many stations you need.

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• EOQ Calculator

  The order size that minimizes ordering plus holding cost.

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• Safety Stock & Reorder Point Calculator

  How much buffer to hold and when to reorder.

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• MTBF & MTTR Calculator

  Reliability and maintainability KPIs for any asset.

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