Gauge Repeatability & Reproducibility (GRR) Calculator
Determine equipment repeatability ($EV$), appraiser reproducibility ($AV$), combined $GRR$, percent of process tolerance, and Number of Distinct Categories ($ndc$) per AIAG MSA 4th Ed.
Study Design & Range Summaries
Total process tolerance width in mm or inches
Overall mean of all ranges
Max operator mean - Min operator mean
Max part mean - Min part mean
Measurement System Capability
%GRR (of Tolerance)
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Distinct Categories (ndc)
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Repeatability EV
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Reproducibility AV
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Total GRR
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AIAG MSA Acceptance Evaluation
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