Overall Equipment Effectiveness (OEE)
Manufacturing productivity metric combining availability, performance, and quality
FORMULA
OEE = Availability (%) × Performance (%) × Quality (%)
Alternate Calculations
Component
(Uptime / Planned Time) × (Actual Output / Designed Output) × (Quality Output / Total Output)What is Overall Equipment Effectiveness?
Overall Equipment Effectiveness (OEE) is a key manufacturing metric that measures equipment efficiency across three dimensions: Availability (uptime), Performance (speed), and Quality (defect rate). OEE = Availability × Performance × Quality.
An OEE score of 85%+ is considered world-class. This metric helps identify improvement opportunities and track operational efficiency gains.
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Sample Data
| day | availability | performance | quality | oee |
|---|---|---|---|---|
| Mon | 92 | 88 | 96 | 77.6 |
| Tue | 94 | 89 | 97 | 81.2 |
| Wed | 91 | 87 | 96 | 76.1 |
| Thu | 95 | 90 | 98 | 83.9 |
| Fri | 93 | 89 | 97 | 80.4 |
Required Data Columns
availabilityperformancequalityoee