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Manufacturing Tool

OEE Calculator — The Gold Standard for Manufacturing Efficiency

Calculate OEE score (Availability × Performance × Quality) and benchmark against world-class 85%.

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Formula & How It Works

OEE = Availability × Performance × Quality
Availability = Run Time ÷ Planned Time
Performance = Actual Output ÷ (Run Time × Ideal Rate)
Quality = Good Units ÷ Total Output

Worked Example

8 hrs, 1 hr downtime, 1,000/hr rated, 5,600 actual, 5,320 good → OEE = 87.5% × 80% × 95% = 66.5%

When to Use This Calculator

  • Shift-level OEE tracking
  • Identify biggest loss category
  • Benchmark against world-class 85%

Frequently Asked Questions

OEE = Availability × Performance × Quality. Gold standard for manufacturing productivity.
85%+ considered world-class. Most manufacturers operate at 40–60%.
Utilisation = time. OEE also captures speed and quality losses.
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