Process Capability Index Calculator
Calculate process capability indices Cp, Cpk, CPU, and CPL from specification limits, process mean, and standard deviation. Includes sigma level and PPM estimates.
How to Use Process Capability Index Calculator
Enter the Upper Specification Limit (USL), Lower Specification Limit (LSL), process mean, and standard deviation. The tool calculates Cp, Cpk, CPU, CPL, sigma level, and estimated PPM defective.
Step-by-Step Instructions
- Enter USL and LSL specification limits
- Enter process mean and standard deviation
- Click Calculate Capability to compute indices
- Review Cp, Cpk, sigma level, and PPM results
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