Five-Number Summary Calculator

Calculate minimum, first quartile (Q1), median (Q2), third quartile (Q3), and maximum for box plot summaries.

How It Works & Processing Standards

Enter values above to calculate results automatically. Check each input field for guidance and units.

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Maximum input length: 100,000 characters

Five-Number Summary Calculator is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use Five-Number Summary Calculator

  1. 1
    Enter NumbersType numbers separated by commas.
  2. 2
    Sort & ComputeCalculate quartiles and extreme bounds.
  3. 3
    View 5-Number SummaryInspect Min, Q1, Median, Q3, and Max.

Common Use Cases

  • Quick descriptive data exploration in statistical analysis
  • Supplying input bounds for rendering box plot charts
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