Enter data seperated by commas

Lower quartile: | |

Upper quartile: | |

Interquartile Range (IQR): |

Calculate the interquartile range (IQR) effortlessly with our online Interquartile Range Calculator. Simply input your dataset in the input field, then click the calculate button.

## What is the Interquartile Range?

The interquartile range (IQR) is a measure of statistical dispersion, or in simpler terms, it represents the spread of a set of data. Specifically, the interquartile range is the range between Q1 and Q3 in a dataset.

## Interquartile Range Formula

The formula for the interquartile range is

**IQR = Q3 – Q1**

- IQR = Interquartile Range
- Q1 = Lower Interquartile
- Q3 = Higher Interquartile

## How to calculate the Interquartile Range?

Step by step calculate the interquartile range

- Arrange the data in ascending order
- Calculate the Lower interquartile (Q1) and Higher Interquartile (Q3)
- Finally, the Difference between Q1 and Q2 then you get the IQR value