Incoming Yield Rate Calculator

Formula Used

Incoming Yield Rate (%) = (Accepted Units / Total Units Received) x 100

First Pass Yield (%) = ((Accepted Units - Reworked Units) / Total Units Received) x 100

Reject Rate (%) = (Rejected Units / Total Units Received) x 100

Defect Unit Rate (%) = (Defect Units / Total Units Received) x 100

DPO = Total Defects / (Total Units Received x Opportunities per Unit)

DPMO = DPO x 1,000,000

Inspection Cost per Accepted Unit = Inspection Cost / Accepted Units

Estimated Cost of Rejects = Rejected Units x Cost per Rejected Unit

How to Use This Calculator

Enter the total quantity received for the inspected lot.
Fill in accepted, rejected, and reworked units from inspection records.
Add defect units and total defects for deeper defect analysis.
Enter defect opportunities if you track DPO or DPMO.
Include inspection cost and reject cost for quality loss visibility.
Set a target yield rate to measure the performance gap.
Press the calculate button to view results above the form.
Use the CSV and PDF buttons to export the result table.

Total Units Received	Accepted Units	Rejected Units	Reworked Units	Defect Units	Total Defects	Opportunities per Unit	Inspection Cost	Cost per Rejected Unit	Target Yield Rate
10,000	9,680	320	140	280	410	6	$1,200	$18	97.5%
5,400	5,118	282	90	210	298	4	$860	$11	96.0%

Why Incoming Yield Rate Matters

Incoming yield rate shows how much received material becomes immediately acceptable for production. It helps teams compare suppliers, improve receiving inspection plans, estimate nonconformance costs, and spot recurring quality drift before defects affect downstream operations. When used with reject rate, DPMO, and rework recovery, the metric becomes a strong indicator of supplier stability and inspection efficiency.

FAQs

1. What does incoming yield rate measure?

It measures the share of received units that pass incoming inspection and become acceptable for use. Higher values usually indicate stronger supplier quality and lower receiving losses.

2. How is incoming yield different from first pass yield?

Incoming yield uses final accepted units. First pass yield excludes reworked units, so it reveals how many units passed without corrective effort during receiving inspection.

3. Why track DPMO with yield rate?

Yield shows overall acceptance, while DPMO shows defect intensity relative to opportunities. Together they help distinguish small volumes of severe defects from broad but lighter nonconformance patterns.

4. Should reworked units count as accepted units?

They may count in final acceptance if they become usable. However, tracking them separately is important because heavy rework can hide poor initial quality and consume inspection resources.

5. What is a good incoming yield rate?

The answer depends on product criticality and supplier agreements. Many teams target at least 97% to 99%, but regulated or high-risk products may require tighter thresholds.

6. Can this calculator support supplier scorecards?

Yes. You can compare lots, monitor trends, and combine yield with reject cost, DPMO, and rework recovery to create a more complete supplier performance view.

7. Why include inspection cost and reject cost?

Cost fields turn quality data into financial impact. This makes it easier to justify supplier improvement actions, tighter controls, or better receiving inspection strategies.