Use this batch process oee calculator to turn shop-floor records into a decision-ready operating measure. Enter the production window, output, loss, or demand values that match the batch process being reviewed. The calculator returns the main result together with supporting rates or loss components, so you can trace what drives the number. It is designed for quick planning and performance checks without assuming an industry benchmark that may not fit your equipment, product mix, or inspection policy.
OEE = Availability × Performance × Quality, where Availability = run time ÷ planned time, Performance = (ideal cycle time × total count) ÷ run time, and Quality = good count ÷ total count.
All time and output values must refer to the same measurement boundary.
OEE combines time loss, speed loss, and quality loss into one percentage. Its three components show where the measured loss occurred.
Use an attainable ideal cycle time for the same product and equipment. Performance is capped at 100% for display because values above 100% usually signal an input or standard-time mismatch.
For 480 planned minutes, 45 downtime minutes, an ideal 50-minute batch cycle, 8 total batches, and 7 good batches: availability is 90.63%, performance 91.95%, quality 87.50%, and OEE 72.92%.
Use one consistent period for every time and output input, such as a shift, production order, or full day.
Use an attainable ideal cycle time for the same product and equipment. Performance is capped at 100% for display because values above 100% usually signal an input or standard-time mismatch.
Compare them only when the input definitions and ideal standards are equivalent; otherwise calculate each product or product family separately.
Reports may use scheduled time, run time, gross output, or good output differently. Match those definitions before comparing values.
Count output according to the labels in the calculator and keep recovered, rejected, and good units separate where those fields are provided.
| Input | Use |
|---|---|
| Planned production time (minutes) | Enter the value measured for the same production window. |
| Downtime (minutes) | Enter the value measured for the same production window. |
| Ideal cycle time per batch (min/batch) | Enter the value measured for the same production window. |
| Total batches completed (batches) | Enter the value measured for the same production window. |
| Good batches (batches) | Enter the value measured for the same production window. |