DPMO Calculator

Quality & ProcessLast updated: March 2026

DPMO Calculator

Calculate Defects Per Million Opportunities and Sigma level. A Six Sigma metric for measuring process quality and capability.

Enter Process Data

Total number of defects found

Number of units inspected/produced

Defect opportunities per unit

Process Quality Metrics

DPMO (Defects Per Million Opportunities)

3,000

Lower DPMO = higher quality

Sigma Level

4.0σ

Six Sigma scale

Yield

99.70%

Good units rate

Total Opportunities5,000
Defect Rate0.3000%

💡 Quality Assessment

Good: High-quality process with low defect rates.

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