How to use the Interquartile Range Calculator:ġ) Enter each of the numbers in your set separated by a comma (e.g., 1,9,11,59,77), space (e.g., 1 9 11 59 77) or line break.Ģ) Click on the 'Calculate' button to calculate the interquartile range.
You can use this interquartile range calculator to determine the interquartile range of a set of numbers, including the first quartile, third quartile, and median.