PPM to Sigma Converter
M&Q Engineering • Defect Rate Conversion • PPM / DPMO / Sigma Capability Assessment
Direct PPM
Defect Count
Process / Product Reference
PPM / DPMO
Opportunity Basis
PPM
DPMO
Add
Process / Product Reference
Defects Found
Sample Size / Opportunities
Add
Apply 1.5σ long-term shift
Converts process defect rate to an estimated sigma capability level. Direct mode accepts PPM/DPMO. Defect count mode calculates PPM from observed defects and sample opportunities. Long-term sigma uses the conventional 1.5σ shift.
Reference
Mode
PPM
Sigma
Shift
Defects
Sample
Status
Action
Calculated Sigma
0.00
Estimated sigma capability level
Defect Rate
0
PPM / DPMO equivalent defect rate
Capability Classification
N/A
Capability risk band by calculated sigma
Capability Gauge
0%
NO CAPABILITY DATA
Current Calculation Basis
N/A
Mode, shift, and opportunity basis
Export Excel CSV
Export Audit Log
Generate Report
Reset
Audit Status: No calculation recorded.