What this calculator does
Count first-pass good output separately from units recovered through rework so the cost and capacity impact remains visible.
Searches this tool helps answer
- first pass yield calculator
- reject rate calculator
- production quality yield
Enter your production figures
Enter your figures and select calculate.
How the calculation works
First-pass yield = first-pass good ÷ input. Final yield adds recovered rework. Rework and scrap are shown separately.
Use consistent boundaries: compare scenarios with the same product, pack, time period, cost basis and definition of a good unit.
Use the result to review
- First-pass yield
- Final yield
- Rework rate
- Scrap rate
Validate the entered assumptions against production records before using the result in an investment, compliance or capacity decision.
Questions customers also ask
Can reworked units be counted as first-pass good?
No. That would hide the original process loss.
What if counts do not reconcile?
Check work-in-progress, repeated rework loops and the inspection boundary.
Should setup scrap be included?
Track it separately and include it in total loss where relevant.
How should defects be prioritised?
By frequency, severity, cost and the process that first creates them.
Need the figures reviewed against a real line?
Send the product, pack, available time, measured output and the assumptions used in the calculation.