DPMO Calculator
Calculate DPMO and Sigma Level
Enter your inspection data to calculate defects per million opportunities and approximate sigma level. Benchmark your process capability against Six Sigma standards.
Inspection Data
units
Number of characteristics or potential defect types per unit
DPMO = (12 / (5000 x 5)) x 1,000,000
DPMO = 480.0
Quality Results
DPMO
480
defects per million
Sigma Level
4.78σ
Good
Yield
99.952%
Defect Rate
0.0480%
1σ2σ3σ4σ5σ6σ
Sigma Level Reference
| Sigma | DPMO | Yield |
|---|---|---|
| 6σ | 3.4 | 99.9997% |
| 5σ | 233 | 99.9767% |
| 4σ | 6,210 | 99.38% |
| 3σ | 66,807 | 93.32% |
| 2σ | 308,538 | 69.15% |
| 1σ | 691,462 | 30.85% |
Sigma Benchmarks
5σ+
World Class
4–5σ
Good
3–4σ
Average
<3σ
Needs Work
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