Range & IQR Calculator

Calculate the spread of your data using range and interquartile range.

  • Free Online Tool
  • Instant Results
  • Mobile Friendly
  • No Installation
  • Secure & Private

Understanding This Calculator

Spread Formulas

Measures of dispersion in a dataset.

  • Range: Maximum - Minimum
  • IQR: Q3 (75th%) - Q1 (25th%)

Example 1

Data: 2, 4, 6, 8, 10

  • Min: 2, Max: 10 -> Range = 8
  • Median (Q2): 6
  • Q1 (median of lower half): 3, Q3 (median of upper half): 9
  • IQR = 9 - 3 = 6

How to Use

  • Enter numbers separated by commas.

Frequently Asked Questions

How do I use the Range & IQR Calculator?

Enter your values in the input fields, and the result will appear instantly.

Is this calculator free to use?

Yes, this calculator is 100% free and does not require any registration or subscription.

Is it mobile-friendly?

Absolutely! Our tool is optimized for all devices, including mobile phones, tablets, and desktop computers.