IQR Calculator

Calculate the interquartile range (IQR) and quartiles of a set of numbers

About IQR

The interquartile range (IQR) is the difference between the third quartile (Q3) and the first quartile (Q1). It represents the middle 50% of the data.

Formula: IQR = Q3 - Q1

The IQR is a robust measure of variability and is often used to detect outliers.