Six Sigma Calculator
Calculate Defects Per Million Opportunities (DPMO), process yield, and Sigma level to measure your operational quality.
Process Sigma Calculator
Provide production metrics to compute DPMO and Sigma level.
DPMO3,400Defects per million
Yield99.6600%Defect-free percentage
Process Sigma4.21Approximate Sigma Level
Parameters recalculate dynamically as values update.
Yield Split Visualizer
See the proportion of defect-free opportunities vs. defects.
Defect-Free (Yield)
Defects
Table of Contents
Real-World Six Sigma Presets
Select a preset to load standard Sigma benchmarks.
Six Sigma Formulas
Understand how DPMO, Yield, and Sigma are calculated.
Six Sigma is a set of techniques and tools for process improvement. It seeks to improve the quality of the output of a process by identifying and removing the causes of defects and minimizing variability in manufacturing and business processes.
1. Total Opportunities
Total Opportunities = Units × Opportunities per Unit
Total Opportunities = Units × Opportunities per Unit
2. DPMO (Defects Per Million Opportunities)
DPMO = (Defects / Total Opportunities) × 1,000,000
DPMO = (Defects / Total Opportunities) × 1,000,000
3. Yield
Yield = ((Total Opportunities - Defects) / Total Opportunities) × 100
Yield = ((Total Opportunities - Defects) / Total Opportunities) × 100
Sigma Level Projections
Reference table for standard Sigma levels, their corresponding DPMO, and Yield percentages.
| Sigma Level | DPMO | Yield % |
|---|---|---|
| 2 Sigma | 308,537 | 69.1462% |
| 3 Sigma | 66,807 | 93.3193% |
| 4 Sigma | 6,210 | 99.379% |
| 5 Sigma | 233 | 99.9767% |
| 6 Sigma | 3.4 | 99.99966% |
Frequently Asked Questions
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