Pp and Ppk Calculator

Online statistical calculator that calculates process performance index value by entering the Upper and lower specification limits with standard deviation and mean value. Ppk is always smaller than the Pp.

Pp and Ppk Index Calculation

Lower Specification Limit (LSL) =
Upper Specification Limit (USL) =
Process Standard deviation =
Process mean =
 
Potential Pp =
Actual Ppk Index =
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Formula : Where, USL = Upper Specification Limit, LSL = Lower Specification Limit.

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