Plating, Anodizing & Surface Treatment calculator
Plating Defect Rate Calculator
Measure the fraction of inspected plated parts containing one or more recorded defects. Compare the observation with your entered maximum for that same population.
What this calculator does
- Measure nonconforming plated parts in an inspected population and compare the result with your entered maximum rate.
Formula used
- Plating defect rate = defective inspected parts ÷ total inspected parts × 100
- Defect rate margin = entered maximum rate − measured defect rate
- Parts without recorded defects = inspected parts − defective parts
Inputs explained
- Defective Plated Parts Found: Count each inspected part with one or more defects once.
- Total Plated Parts Inspected: Matching inspected population using the same acceptance criteria.
- Target Maximum Defect Rate: Your entered maximum nonconforming-part rate for this population.
How to use the result
- Best suited to inspection lot comparison, recorded defect monitoring.
- A sample rate does not prove the defect rate of every uninspected part. Does not select sampling plans or establish product acceptance.
Current U.S. benchmarks
- The producer price index for industrial chemicals stands at 336.006 (BLS, Aug 2026), up 13.3% from a year earlier. Quotes priced off last quarter's material cost miss this move.
- The U.S. has 14,543 chemical manufacturing establishments employing about 911,245 workers (Census County Business Patterns, 2023).
Common questions
- Is this defects per part? No. It is defective parts per inspected part. A part with several defects still contributes one defective-part count.
- What if no defective parts are found? Enter zero defective parts and the positive inspected population. The measured rate is zero for that observation.
- Can I enter a partial inspection sample? Yes. Use the matching sample count, and interpret the result as the observed sample rate.
- Where does the maximum rate come from? Enter the maximum defined by your contract, control plan or review target. This calculator provides no universal acceptance limit.
Last reviewed 2026-10-06.