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Client-side ProcessingUpdated 2026-02-11Report issue

Runs fully in your browser. Inputs stay on your device. See recent fixes on changelog.

Range Calculator

Calculate the range and interquartile range of data sets.

FreeRuns in browserrange calculatordata range

Range

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Interquartile Range (IQR)

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Q1 (25th percentile)

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Q3 (75th percentile)

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0 chars
Cmd/Ctrl+Enter Primary actionCmd/Ctrl+Shift+L Load sampleCmd/Ctrl+Shift+X Clear/resetCmd/Ctrl+Shift+C Copy result

About Range Calculator

Calculate the range and interquartile range of data sets. Calculate range and interquartile range (IQR) of data sets online for free. Shows Q1, Q3, and data spread. Essential descriptive statistics calculator. Delivers a comprehensive breakdown of your content with real-time metrics updated as you type. Supports Unicode text including multi-byte characters, emoji, and mixed-language content. Everything runs client-side in your browser for maximum speed and privacy — no data is sent to any server, and no signup is required.

Related tools: Min & Max Finder, Variance & Standard Deviation Calculator, Sum Calculator

How to Use Range Calculator

  1. Paste or type your content into the input field.
  2. The tool analyzes it and displays metrics instantly.
  3. Review the detailed breakdown of your content.

Frequently Asked Questions

What is Range Calculator?
Calculate range and interquartile range (IQR) of data sets online for free. Shows Q1, Q3, and data spread. Essential descriptive statistics calculator.
How are words and sentences counted?
Words are counted by splitting on whitespace boundaries, following the same rules used by most word processors. Sentences are detected by punctuation marks (periods, question marks, exclamation marks) followed by whitespace or end of text.
Does the analysis count Unicode characters?
Yes, the tool counts Unicode characters correctly, treating each grapheme cluster (including emoji and combined characters) as a single character. This gives you an accurate count regardless of the language or script used.
What metrics are included?
The analysis provides a comprehensive set of metrics such as character count, word count, sentence count, paragraph count, and reading time estimates. Specific tools may include additional domain-relevant metrics.
Is Range Calculator free to use?
Yes, all analysis features are free with no restrictions. The tool runs locally in your browser and needs no account.
Is my data safe when using Range Calculator?
Yes, all analysis is performed locally in your browser. Your content is never uploaded or transmitted to any external server.