← Back to IQR Info

Interquartile Range (IQR) Calculator

Calculate the interquartile range (IQR) for your dataset. IQR measures the spread of the middle 50% of data and is robust to outliers.

Enter your data:

Enter values one per line or as comma-separated numbers (4-1000 values)

Percentile Method:
Think Again app poster showing 10 interactive philosophy experiments, 50 insight cards, and 133,000 plus responses.

New on iPhone

Try Think Again

10 interactive philosophy experiments and 50 insight cards built from 133,000 plus responses.

Download on the App Store
Think Again app banner showing 133,000 plus minds tested and categories including trolley problems, free will, God, personal identity, logic, and moral taboos.