Interquartile Range Calculator
Calculate Q1, Q3 and the interquartile range.
Open toolRange Calculator
Find the range as largest observation minus smallest observation. Use 1–1,000 comma- or whitespace-separated numbers, each with magnitude at most 1 billion.
Free to useNo sign-upRuns in your browser
Enter your details
Enter the inputs, then select Calculate.
Your result
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Result will appear here
How Range Calculator works
Find the range as largest observation minus smallest observation.
Use 1–1,000 comma- or whitespace-separated numbers, each with magnitude at most 1 billion. Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.
How to use Range Calculator
Follow the labelled inputs.
Enter observations
Replace the example with observations. The field labels specify the expected format and units.
Input and settings
Check the remaining inputs
This tool uses one input. Check the supported range before running it. Use 1–1,000 comma- or whitespace-separated numbers, each with magnitude at most 1 billion.
Tool result
Run, review and save
Select Calculate. Review the calculated result, then copy it or download the result text.
Review the details
Examples and uses for Range Calculator
Check the supplied example
The starting example produces 7. Find the range as largest observation minus smallest observation.
Use your own inputs
Read the labels for observations. Use 1–1,000 comma- or whitespace-separated numbers, each with magnitude at most 1 billion.
Record a reviewed result
Copy the calculated result into your notes. Keep the formula and assumptions with it if someone else needs to reproduce the calculation.
How to read the result
Read the units and assumptions with the output.
Find the range as largest observation minus smallest observation.
Use 1–1,000 comma- or whitespace-separated numbers, each with magnitude at most 1 billion. Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.
Supported input and limits
Check the stated scope before you run it.
Use 1–1,000 comma- or whitespace-separated numbers, each with magnitude at most 1 billion. Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.
The input stays in this browser. Copy result and Download save the same displayed text.
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Open toolRange Calculator: common questions
Answers about using Range Calculator and understanding its results.
What inputs and assumptions apply?
Use 1–1,000 comma- or whitespace-separated numbers, each with magnitude at most 1 billion. Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.
How can I save the result?
Copy result copies the displayed text. Download saves the same text as a TXT file. Processing runs in this browser without an account.
Calculate with your input
Check the calculated result, then copy or download it.