An Excel add-in that provides a comprehensive set of tools for Statistical Process Control (SPC), including control charts, process capability analysis, and other quality improvement utilities.
SPC for Excel (BPI Consulting)

- Excel
- Data Analytics, Manufacturing, Process Control, Quality, Statistics
- Continuous Improvement, Control Chart, Process Capability, Quality Control, Quality Management, Six Sigma, Statistical Process Control (SPC), Statistical Tests
Features:
- Control charts (Xbar-R, Xbar-S, p, np, c, u, I-MR, etc.), process capability analysis (Cp, Cpk, Pp, Ppk), histograms, Pareto charts, scatter plots, Gage R&R, statistical tests, cause-and-effect diagrams, data transformation tools
Pricing:
- Paid
- User-friendly interface within Excel for SPC analysis, wide range of control charts and capability metrics, good for quality improvement projects and Six Sigma, includes helpful documentation and examples.
- Commercial software, may have fewer advanced statistical features compared to dedicated standalone packages like Minitab, visual customization of charts might be somewhat limited by Excel's charting engine.
Best for:
- Quality engineers, process improvement specialists, Six Sigma practitioners, and manufacturing personnel who need to perform SPC analysis and create control charts directly within Microsoft Excel.