tools.znclabs

Process Capability (Cp/Cpk/Pp/Ppk) Calculator

Enter your specification limits and process statistics to see short-term (Cp/Cpk) and long-term (Pp/Ppk) capability indices.

Within-subgroup sigma is typically estimated as R̄/d2 and used for Cp/Cpk. Overall sigma is the standard deviation of all the data and is used for Pp/Ppk.

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