📍 Median Calculator

Determine the middle of your distribution quickly. Paste datasets of any size to see the median, adjacent quartiles, sorted snippets, and optional percentile lookups without leaving your browser.

Dataset Input

Supports comma, space, newline, or tab separated values

Paste from spreadsheets or CSV. Invalid tokens will be highlighted.

Median

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Lower Quartile (Q1)

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Upper Quartile (Q3)

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Count

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Sorted Preview

No values yet.

Percentile Lookup

Percentiles use linear interpolation (inclusive method).

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Insights

  • No values analysed yet.

How to Use

  1. Paste or type your numbers. Mixed separators are fine.
  2. Hit Calculate Median to view the median, quartiles, and count instantly.
  3. Use Percentile Lookup for any percentile from 0 to 100 using inclusive interpolation.
  4. Review the sorted preview and insights to understand data spread and detect outliers.
  5. Clean invalid tokens or reset with the dedicated buttons when switching datasets.

Formula Reference

The median is the middle value in a sorted dataset. For even sample sizes, it is the average of the two middle numbers. Quartiles are computed via the inclusive percentile method recommended by NIST.

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