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First-Pass Yield (FPY)

Business analysisQuality management and monitoring

Reference model

First-Pass Yield ScaleA scale of 3 levels rising from the lowest to the highest: 1, 0%; 2, 50%; 3, 100%.0%No products meet quality standards.50%Half of the products meet qualitystandards.100%All products meet quality standards.

Higher FPY indicates a more efficient process with fewer defects.

About this model

First-pass yield is a key performance indicator in quality management that reflects the percentage of products that pass quality inspection the first time without any rework.

Originator not stated.

How to read it

  • A higher FPY percentage signifies better quality and efficiency.
  • Monitor FPY over time to identify trends and areas for improvement.

What this does

Measures the percentage of products or services that meet quality standards without needing rework or correction, indicating the efficiency of a process.

When to use it

Use it when assessing the effectiveness of a production or service process to identify areas for improvement in quality.

Not when: Do not use it when the process involves complex variables that cannot be easily quantified or when rework is not a relevant factor.

What happens next

Consider using the Pareto analysis to identify the most common defects contributing to low FPY.

Golden thread

Builds on ←

  • Process definition
  • Quality standards

Feeds into →

  • Quality improvement plan

Use this tool, free

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Drafted with AI and reviewed by Eccellere on 04/11/2026. Guidance, not advice: apply your own judgement.