Interquartile Range Calculator
Calculate interquartile range (IQR), quartiles Q1/Q2/Q3, and detect outliers using the 1.5*IQR rule from a dataset.
How to Use Interquartile Range Calculator
The Interquartile Range Calculator is a free online tool that lets you calculate interquartile range (IQR), quartiles Q1/Q2/Q3, and detect outliers using the 1.5*IQR rule from a dataset. Whether you are a student, professional, or hobbyist, this tool is designed for students, professionals, and anyone needing quick calculations who need quick, accurate results without any hassle. Simply provide your input, configure any options, and get instant results right in your browser. No sign-up or installation required — all processing happens entirely client-side with zero data transmitted to any server, ensuring your information stays private and secure.
Step-by-Step Instructions
- Enter the required values into the input fields
- Click Calculate to process your input values
- Review the calculated results and breakdown
- Use the copy button to copy the result to your clipboard
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