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SPC XL Features Buy Now Free Trial System Req. Version History Compare
SPC XL

SPC XL

Your data is in Excel.
Why isn't your analysis?

Control Charts, Hypothesis Testing, Capability Analysis, and MSA — all in one Excel Add-In. The fastest way to go from raw data to actionable insight.

Buy Now Try It Free

Free trial available. No credit card required.

SPC XL statistical software in Excel
Everything in One Add-In

The Core of SPC XL

Everything a Six Sigma practitioner needs to monitor, analyze, and improve processes — without leaving Excel.

Control Charts

XbarR, Xbar S, Individuals Moving Range, p, np, u, and n charts. Includes a Control Chart Wizard, Cpk/Ppk analysis, and outlier marking — all updating in place without recreating charts.

Hypothesis Testing

t-Test, Paired t-Test, F-Test, 1-Way ANOVA, Test of Proportions, Independence Test, Confidence Intervals, and Sample Size calculations. Everything you need to make data-driven decisions.

Capability & MSA

Capability Analysis Diagrams (Cpk), Histograms, Scatter Plots, Pareto Charts, Box Plots, and full Measurement System Analysis including Gage R&R (ANOVA and XbarR methods), and Attribute MSA.

Microsoft Excel Excel Integration

Analyze Where Your Data Lives.

SPC XL installs directly into Excel and adds a dedicated ribbon tab. No switching applications, no exporting, no copy-paste errors. Your data stays in your spreadsheet — so do your results.

  • Instant results in your workbook
    Charts and tables output directly into Excel — fully formatted and ready to paste into any report or presentation.
  • Wizards guide every step
    The Control Chart Wizard and Diagram Selection Wizard help you pick the right tool for your data — even if you're not a statistics expert.
  • Update without recreating
    Add new data to an existing control chart and update it in place. No need to start over — SPC XL preserves your control limits and formatting.
SPC XL inside Microsoft Excel