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Interquartile Range Calculator

The interquartile range calculator computes the interquartile range (IQR), 25th, 50th (median), and 75th percentiles of a data set.

Enter comma or space separated numbers

Quartile Statistics:

Interquartile Range (IQR)
25th Percentile
50th Percentile
75th Percentile
Median
Minimum
Maximum
Range (R)

How to Use the Interquartile Range Calculator?

  1. Firstly, input the set of numbers with spaces or commas separated. For example: 5, 23, 30, 44 or 5 23 30 44.
  2. After inputting numbers, click the 'Calculate' button.
  3. Finally, the tool returns the interquartile range (IQR), 25th percentile, 50th percentile, 75th percentile, median, minimum, maximum, and range of a data set.
  4. Click the 'Reset' button to refresh the calculator.
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