About the OEE Calculator
Overall Equipment Effectiveness: availability × performance × quality, with each factor shown.
Also known as: overall equipment effectiveness, oee formula, equipment effectiveness.
How to use this calculator
- Enter planned production time (min), downtime (min), total units produced, good units and the other fields.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
OEE = availability × performance × quality
Worked example
Using the values pre-filled in the calculator above:
- Planned production time (min) = 480
- Downtime (min) = 47
- Total units produced = 380
- Good units = 365
- Ideal cycle time (min/unit) = 1
the calculator returns:
- OEE: 76.04%
- Availability: 90.21%
- Performance: 87.76%
- Quality: 96.05%