Quartile Calculator
Q1, median, and Q3 (linear-interpolation method), with a box plot.
Your data
Separate values with commas, spaces, or new lines. Pasting from Excel works.
Result
Minimum
5
Q1 (25%)
8.25
Q2 (median)
11
Q3 (75%)
13.75
Maximum
22
IQR
5.5