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eng.six-sigma-dpmo Calculator
Calculates process sigma level, DPMO (Defects Per Million Opportunities), and process yield from defect count and opportunities. Six Sigma quality corresponds to 3.4 DPMO — the 1.5σ shift accounts for long-term process mean drift observed empirically.
Inputs
Defects
Reference formula or conversion factor shown for context.
Units Inspected
Reference formula or conversion factor shown for context.
Opportunities Per Unit
Reference formula or conversion factor shown for context.
Target Sigma
Reference formula or conversion factor shown for context.
Results
DPMO
Reference formula or conversion factor shown for context.
sigma level
The measured or computed level on the applicable scale.
defect rate
The value at the specified point or condition.
yield
Reference formula or conversion factor shown for context.
6σ target DPMO
Reference formula or conversion factor shown for context.
current vs target
The current value compared to the goal. A positive number means the target is exceeded; negative means it is not yet met.